added Readme and screenshots

README.md

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+# Welcome to GogsThemes!
+
+This repo contains styles/themes  for well known self hosted git service [Gogs](https://gogs.io/).
+If you find something not displayed good  , feel free to contribute
+ to make it together even better!!
+ 
+## Steps to activate a theme:
+*$GOGS_ROOT = your gogs root install location*
+
+ 
+ - ````cd $GOGS_ROOT```` 
+ - ```git clone https://github.com/Kos-M/GogsThemes.git```
+ - ````cat ./GogsThemes/inject/head.tmpl >> templates/inject/head.tmpl  ```` 
+ - ```mv ./GogsThemes/img/bg.jpg ./GogsThemes/img/wool.png public/img```
+ - ```mv ./GogsThemes/themes/dark_theme.css public/css/themes```
+ - ```rm -r ./GogsThemes```
+
+## Screens
+![intro]( ) ![signup]( )
+![home]( ) ![repo]( )
+![file]( )
+ 
+
+
+
+### To disable a theme:
+Just open ```$GOGS_ROOT/templates/inject/head.tmpl``` and delete 
+the line contains : ``` <link rel="stylesheet" href="/css/themes/dark_theme.css">```
+
+
+