add language page to website

docs/README.md

@@ -1,10 +1,10 @@
 # Magma Dashboard
 Personal dashboard that is highly customizable, lightweight and responsive.
 
-![Magma dashboard preview](https://i.imgur.com/XaAvyRC.png)
+[![Magma on Docker Hub](https://dockeri.co/image/help14/magma)](https://hub.docker.com/r/help14/magma)
 
 ## Features
 * Lightweight (8-16Mb), fast, build from Go
-* Support multiple languages
-* Support multiple themes
+* Support multiple [languages](./customization/languages.md)
+* Support multiple [themes](./customization/themes.md)
 * Addons support (WIP)

docs/_sidebar.md

@@ -4,5 +4,6 @@
 * [Configuration](config.md)
 * Customization
   * [Themes](customization/themes.md)
+  * [Languages](customization/languages.md)
   * [Colors, Background, CSS](customization/css.md)
   * [Create new theme](customization/new-theme.md)

docs/customization/languages.md

@@ -0,0 +1,8 @@
+# Languages
+
+List of supported languages:
+
+| Language | | Description |
+|-|-|-|
+| English | en | Fully supported |
+| Vietnamese | vi | Fully supported |