diff --git a/.github/xbackbone.svg b/.github/xbackbone.svg
deleted file mode 100644
index 1387ef6..0000000
--- a/.github/xbackbone.svg
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Creator: CorelDRAW Home & Student 2018 -->
-<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" width="2480px" height="3508px" version="1.1" style="shape-rendering:geometricPrecision; text-rendering:geometricPrecision; image-rendering:optimizeQuality; fill-rule:evenodd; clip-rule:evenodd"
-viewBox="0 0 2480 3507.43"
- xmlns:xlink="http://www.w3.org/1999/xlink">
- <defs>
-  <style type="text/css">
-   <![CDATA[
-    .fil1 {fill:#FEFEFE}
-    .fil4 {fill:#02AD22}
-    .fil3 {fill:#317BFB}
-    .fil2 {fill:#F9241D}
-    .fil5 {fill:#FDBF00}
-    .fil0 {fill:#2B2A29;fill-rule:nonzero}
-   ]]>
-  </style>
- </defs>
- <g id="Livello_x0020_1">
-  <metadata id="CorelCorpID_0Corel-Layer"/>
-  <path class="fil0" d="M221.41 673.51c-3.05,-2.15 -6.41,-2.89 -10.09,-2.31 -3.68,0.71 -6.58,2.55 -8.73,5.52l-37.5 53 -37.49 -53c-2.11,-2.97 -5.05,-4.81 -8.69,-5.52 -3.68,-0.58 -7.04,0.16 -10.1,2.31 -3.05,2.23 -4.89,5.17 -5.51,8.85 -0.59,3.64 0.15,7 2.3,10.06l43.02 60.66 -43.02 60.66c-2.15,3.06 -2.89,6.42 -2.3,10.1 0.62,3.68 2.46,6.58 5.51,8.69 2.27,1.68 4.9,2.55 7.79,2.55 4.66,0 8.34,-1.92 11,-5.76l37.49 -52.95 37.5 52.95c2.7,3.84 6.34,5.76 11.04,5.76 2.89,0 5.48,-0.87 7.78,-2.55 3.06,-2.11 4.9,-5.01 5.48,-8.69 0.63,-3.68 -0.11,-7.04 -2.27,-10.1l-43.01 -60.66 43.01 -60.66c2.16,-3.06 2.9,-6.42 2.27,-10.06 -0.58,-3.68 -2.42,-6.62 -5.48,-8.85zm655.4 93.23l34.64 0c0.63,0 1.21,0 1.84,0 0.31,0 0.67,0 1.02,0 6.73,0 12.44,2 17.1,5.95 4.66,3.91 7.01,8.69 7.01,14.32 0,5.84 -2.39,10.77 -7.13,14.8 -4.73,4.15 -10.48,6.22 -17.18,6.22l-37.3 0 0 -41.29zm0 -68.69l34.64 -0.23c6.73,0 12.45,1.99 17.1,5.99 4.66,3.87 6.97,8.68 6.97,14.44 0,5.79 -2.35,10.84 -7.08,15.1 -4.82,4.23 -10.49,6.31 -16.99,6.31l-34.64 0 0 -41.61zm37.3 137.03c14.13,0 26.19,-4.7 36.21,-14.09 10.09,-9.44 15.14,-20.75 15.14,-33.98 0,-14.28 -5.63,-26.1 -16.98,-35.42 9.43,-9.39 14.12,-20.5 14.12,-33.34 0,-13.31 -4.93,-24.54 -14.79,-33.74 -9.94,-9.16 -22.11,-13.74 -36.48,-13.74l-48.14 0.24c-3.68,0.08 -6.84,1.41 -9.51,3.99 -2.62,2.7 -3.91,5.87 -3.91,9.51l0 137.02c0,3.76 1.33,6.93 4.03,9.51 2.58,2.7 5.75,4.04 9.51,4.04l50.8 0zm160.07 -137.61c15.22,0 28.26,5.4 39.1,16.16 10.76,10.88 16.16,23.91 16.16,39.1 0,15.22 -5.4,28.22 -16.16,39.02 -10.84,10.84 -23.88,16.28 -39.1,16.28 -15.23,0 -28.22,-5.44 -38.98,-16.28 -10.84,-10.8 -16.28,-23.8 -16.28,-39.02 0,-15.19 5.44,-28.22 16.28,-39.1 10.76,-10.76 23.75,-16.16 38.98,-16.16zm0 137.61c22.7,0 42.11,-8.07 58.24,-24.19 16.04,-16.05 24.07,-35.42 24.07,-58.16 0,-22.7 -8.03,-42.11 -24.07,-58.24 -16.13,-16.05 -35.54,-24.07 -58.24,-24.07 -22.7,0 -42.07,8.02 -58.12,24.07 -16.13,16.13 -24.23,35.54 -24.23,58.24 0,22.74 8.1,42.11 24.23,58.16 16.05,16.12 35.42,24.19 58.12,24.19zm229.14 -5.17c0.24,0.31 0.47,0.63 0.79,0.94 0,0.08 0,0.12 0,0.12 0.07,0.03 0.11,0.07 0.11,0.07 0.32,0.32 0.67,0.63 1.06,0.94 0.08,0.08 0.2,0.2 0.43,0.36 0.31,0.23 0.59,0.39 0.82,0.54 0.08,0.08 0.24,0.2 0.47,0.36 0.2,0.07 0.47,0.19 0.78,0.35 0.16,0.15 0.32,0.23 0.47,0.23 0.24,0.16 0.51,0.28 0.9,0.36 0.24,0.11 0.4,0.19 0.47,0.19 0.24,0.08 0.55,0.16 0.9,0.24 0.4,0.15 0.55,0.19 0.47,0.11 0.32,0.08 0.71,0.16 1.14,0.24 0.31,0.08 0.39,0.08 0.23,0 0.55,0.08 1.06,0.12 1.49,0.12l0 0c0.63,0 1.29,-0.04 1.96,-0.12 0.23,-0.08 0.35,-0.12 0.35,-0.12 0.7,-0.08 1.33,-0.23 1.96,-0.47 -0.16,0.08 -0.08,0.04 0.23,-0.12 0.59,-0.19 1.22,-0.47 1.8,-0.78 0,0 0,0 0,0 0,0 0.04,0 0.12,0 0.55,-0.31 1.13,-0.7 1.72,-1.13 0,0 0,0 0,0 0.08,-0.08 0.12,-0.12 0.12,-0.12 0.31,-0.24 0.35,-0.28 0.12,-0.12 0.15,-0.08 0.35,-0.23 0.58,-0.47 0.32,-0.23 0.47,-0.39 0.47,-0.47 0.08,0 0.2,-0.16 0.43,-0.43 0.24,-0.23 0.4,-0.39 0.47,-0.47 0,0 0.12,-0.16 0.35,-0.47 0.24,-0.31 0.4,-0.51 0.47,-0.66l0.32 -0.36c0.15,-0.31 0.27,-0.54 0.35,-0.7 0,0 0.12,-0.2 0.35,-0.55 0.16,-0.39 0.24,-0.59 0.24,-0.59 0.08,-0.15 0.15,-0.39 0.23,-0.7 0.12,-0.27 0.2,-0.47 0.2,-0.55 0.08,-0.08 0.15,-0.31 0.23,-0.7 0.08,-0.39 0.12,-0.55 0.12,-0.55 0.08,-0.16 0.12,-0.39 0.12,-0.71 0.08,-0.31 0.11,-0.54 0.11,-0.7 0,-0.08 0,-0.27 0,-0.55 0.08,-0.31 0.12,-0.54 0.12,-0.7l0 -137.57c0,-3.76 -1.33,-6.93 -4.03,-9.55 -2.58,-2.66 -5.75,-3.99 -9.51,-3.99 -3.72,0 -6.93,1.33 -9.63,3.99 -2.58,2.62 -3.87,5.79 -3.87,9.55l0 97.88 -82.47 -106.14c-1.76,-2.31 -3.99,-3.88 -6.77,-4.74 -2.82,-0.82 -5.55,-0.74 -8.25,0.24 -2.74,0.94 -4.98,2.58 -6.66,4.93 -1.68,2.31 -2.5,4.89 -2.5,7.83l0 137.33c0,3.76 1.33,6.93 4.03,9.51 2.58,2.7 5.75,4.04 9.51,4.04 3.72,0 6.89,-1.34 9.51,-4.04 2.66,-2.58 3.99,-5.75 3.99,-9.51l0 -97.8 82.46 106.06c0,0.08 0,0.12 0,0.12 0,0 0.04,0 0.12,0zm97.49 -22l0 -41.64 50.01 0c3.72,0 6.97,-1.29 9.63,-3.87 2.66,-2.71 4,-5.91 4,-9.67 0,-3.72 -1.34,-6.93 -4,-9.63 -2.66,-2.58 -5.91,-3.87 -9.63,-3.87l-50.01 0 0 -41.65 69.27 0.24 0.12 0c3.76,0 6.93,-1.33 9.51,-3.99 2.66,-2.63 4.03,-5.8 4.03,-9.55 0,-3.72 -1.33,-6.93 -3.91,-9.63 -2.67,-2.66 -5.87,-3.99 -9.63,-3.99l-82.9 -0.24 -0.11 0c-3.76,0 -6.93,1.33 -9.51,4.03 -2.7,2.59 -4.04,5.8 -4.04,9.63l0 137.45c0,3.76 1.34,6.93 4.04,9.51 2.58,2.7 5.75,4.04 9.51,4.04l83.01 0c3.76,0 6.93,-1.34 9.51,-4.04 2.66,-2.58 4.03,-5.75 4.03,-9.51 0,-3.71 -1.37,-6.92 -4.03,-9.63 -2.58,-2.66 -5.75,-3.99 -9.51,-3.99l-69.39 0zm-1134.91 -47.94l45.99 0c0.82,0 1.61,0 2.31,0 0.28,0 0.59,0 0.9,0 9.63,0 17.77,2.93 24.42,8.84 6.66,5.8 9.98,13 9.98,21.53 0,8.57 -3.36,15.89 -10.09,21.92 -6.81,6.02 -14.99,9.04 -24.54,9.04l-48.97 0 0 -61.33zm0 -75.46l45.99 -0.23c9.71,0 17.89,2.93 24.54,8.72 6.66,5.87 9.98,13.08 9.98,21.57 0,8.73 -3.36,16.16 -10.1,22.35 -6.73,6.18 -14.87,9.27 -24.42,9.27l-45.99 0.12 0 -61.8zm48.97 150.57c13.38,0 24.77,-4.39 34.16,-13.2 9.48,-8.72 14.21,-19.21 14.21,-31.54 0,-8.18 -2.15,-15.69 -6.53,-22.58 -4.27,-6.73 -10.1,-11.98 -17.54,-15.81 6.5,-4.15 11.59,-9.44 15.27,-15.93 3.83,-6.66 5.71,-13.82 5.71,-21.45 0,-12.33 -4.66,-22.74 -13.97,-31.31 -9.32,-8.49 -20.75,-12.72 -34.29,-12.72l-52.87 0.23c-1.88,0 -3.53,0.67 -4.93,2.04 -1.3,1.33 -1.92,2.93 -1.92,4.85l0 150.53c0,1.91 0.66,3.52 2.03,4.81 1.29,1.37 2.94,2.08 4.82,2.08l55.85 0zm106.76 -52.18l36.24 -87.35 36.24 87.35 -72.48 0zm-28.77 51.59c0.86,0.39 1.72,0.59 2.66,0.59 3.05,0 5.13,-1.41 6.3,-4.23l14.21 -34.17 83.72 0 14.2 34.17c1.14,2.82 3.25,4.23 6.31,4.23 0.9,0 1.8,-0.2 2.62,-0.59 1.76,-0.67 3.01,-1.92 3.68,-3.64 0.78,-1.76 0.78,-3.52 0,-5.29l-15.93 -38.43 0 -0.12 -46.46 -112.01c-0.12,-0.39 -0.31,-0.78 -0.55,-1.25 0,0.08 -0.15,-0.08 -0.47,-0.47 -0.23,-0.32 -0.39,-0.51 -0.47,-0.55 -0.07,0 -0.23,-0.16 -0.54,-0.47 -0.32,-0.23 -0.48,-0.35 -0.48,-0.35 -0.78,-0.55 -1.6,-0.86 -2.5,-1.02 0.04,0 -0.12,0 -0.59,0 -0.39,-0.08 -0.62,-0.12 -0.7,-0.12 -0.08,0 -0.31,0.04 -0.78,0.12 -0.4,0 -0.59,0 -0.59,0 -0.82,0.16 -1.64,0.47 -2.39,1.02 0.08,-0.08 -0.08,0.04 -0.47,0.35 -0.31,0.24 -0.51,0.39 -0.59,0.47 -0.07,0.04 -0.23,0.23 -0.43,0.55 -0.31,0.31 -0.47,0.47 -0.47,0.47 -0.23,0.47 -0.43,0.86 -0.58,1.25l-46.42 112.01 0 0.12 -15.97 38.43c-0.74,1.77 -0.74,3.53 0,5.29 0.71,1.72 1.92,2.97 3.68,3.64zm233.14 0.59c21.33,0 39.84,-7.17 55.49,-21.45 1.45,-1.29 2.24,-2.9 2.27,-4.82 0.08,-1.91 -0.5,-3.56 -1.8,-4.93 -1.33,-1.45 -2.93,-2.23 -4.81,-2.27 -1.92,-0.08 -3.56,0.51 -4.93,1.8 -13.07,11.86 -28.49,17.81 -46.22,17.81 -18.91,0 -35.03,-6.69 -48.38,-20.08 -13.38,-13.38 -20.08,-29.51 -20.08,-48.41 0,-18.94 6.7,-35.11 20.08,-48.49 13.35,-13.39 29.47,-20.04 48.38,-20.04 15.57,0 29.55,4.69 41.84,14.09 1.44,1.21 3.13,1.68 5.04,1.37 1.92,-0.24 3.45,-1.1 4.58,-2.63 1.18,-1.44 1.61,-3.13 1.37,-5.04 -0.19,-1.92 -1.09,-3.45 -2.62,-4.58 -14.75,-11.39 -31.51,-17.11 -50.21,-17.11 -22.7,0 -42.08,8.07 -58.12,24.19 -16.17,16.05 -24.23,35.46 -24.23,58.24 0,22.74 8.06,42.11 24.23,58.16 16.04,16.12 35.42,24.19 58.12,24.19zm95.41 -1.14c1.91,0 3.52,-0.7 4.81,-2.07 1.41,-1.3 2.07,-2.9 2.07,-4.82l0 -43.79 20.43 -21.57 67.75 71.31c1.37,1.37 3.02,2.08 4.93,2.08 1.84,0 3.41,-0.63 4.7,-1.84 1.37,-1.3 2.11,-2.9 2.19,-4.82 0,-1.92 -0.66,-3.52 -1.96,-4.81l-68.21 -71.78 65.91 -69.28c1.33,-1.37 1.91,-3.01 1.84,-4.89 0,-1.84 -0.67,-3.4 -2.04,-4.73 -1.41,-1.3 -3.05,-1.92 -4.93,-1.92 -1.84,0.08 -3.41,0.78 -4.7,2.15l-85.91 90.37 0 -86.34c0,-1.84 -0.66,-3.44 -2.07,-4.81 -1.29,-1.29 -2.9,-1.96 -4.81,-1.96 -1.84,0 -3.45,0.67 -4.82,1.96 -1.29,1.37 -1.92,2.97 -1.92,4.81l0 149.86c0,1.92 0.63,3.52 1.92,4.82 1.37,1.37 2.98,2.07 4.82,2.07z"/>
-  <g id="_699469408">
-   <path class="fil1" d="M1063.44 417.22c0.67,0.06 1.33,0.14 2,0.25 15.38,2.51 29.49,9.04 41.37,19.13 29.24,24.84 40.26,66.8 33,103.7 -8.68,44.15 -41.03,74.94 -85.31,82.55 -15.08,2.59 -34.36,2.46 -49.74,2.5l-383.22 0.04c-19.84,-0.28 -49.08,-0.47 -68.09,-5.39 -37.59,-9.74 -70.06,-34.67 -89.52,-68.22 -21.72,-37.46 -25.79,-85.05 -9.49,-125.31 11.35,-28.05 37.16,-61.18 66.52,-75.55 7.66,-3.75 17.18,-7.39 25.83,-5.95 0.23,-1.91 0.55,-3.92 0.94,-6.06 30.09,-162.76 240.17,-206.52 334.81,-72.43 2.49,3.52 4.57,6.86 6.3,10.06 14.75,-13.37 57.66,-6.07 74.86,-1.03 43.75,12.81 78.91,44.91 93.87,92.39 5.88,18.66 8.6,34 5.87,49.32z"/>
-   <g>
-    <path class="fil2" d="M542.22 371.35c-25.17,6.25 -52.42,38.92 -63.03,65.14 -13.87,34.27 -8.78,73.21 7.85,101.89 13.93,24.03 38.93,46.91 73.1,55.76 21.32,5.52 97.4,5.43 121.74,3.25l-139.66 -226.04z"/>
-    <path class="fil3" d="M784.38 597.55l73.83 -253.53c10.58,-35.73 17.61,-40.75 2.51,-62.14 -80.67,-114.31 -260.82,-78.3 -286.73,61.88 -2.9,15.72 2.07,19.87 8.33,29.88l139.79 224.3 62.27 -0.39z"/>
-    <path class="fil4" d="M915.84 597.88c8.37,0 12.06,-10.39 16.71,-17.31l95.47 -146.9c11.61,-17.59 12.85,-29.89 4.07,-57.75 -16.2,-51.45 -63.48,-84.75 -125.39,-79.41l-87.04 301.14 96.18 0.23z"/>
-    <path class="fil5" d="M960.71 597.36c18.15,1.75 73.1,1.94 89.27,-0.83 89.48,-15.37 80.92,-141.32 11.16,-152.7l-100.43 153.53z"/>
-   </g>
-  </g>
- </g>
-</svg>
diff --git a/README.md b/README.md
index bdcd1a6..74847e3 100644
--- a/README.md
+++ b/README.md
@@ -168,6 +168,7 @@ This software is licensed under the <a href="https://choosealicense.com/licenses
 As a "copyright notice" it is sufficient to keep the small footer at the bottom of the page, also to help other people to learn about this project!
 
 ## Built with
++ Project logo by [@Sere](https://www.deviantart.com/serenaitalia)
 + Slim 3 since `v2.0`, and Slim 4 since `v3.0` (https://www.slimframework.com/) and some great PHP packages (Flysystem, Intervention Image, Twig, etc)
 + FlightPHP, up to `v1.x` (http://flightphp.com/)
 + Bootstrap 4 (https://getbootstrap.com/)