updated readme

Author: vutran

README.md

@@ -1,17 +1,26 @@
 # dext-github-plugin
 
-> Dext plugin to search for Github repositories.
+> [Dext](https://github.com/vutran/dext) plugin to search for Github repositories.
+
+![](screenshot.gif?raw=true)
 
 ## Install
 
 ```bash
 $ dpm install dext-github-plugin
 ```
 
+*Requires [Dext](https://github.com/vutran/dext).*
+
 ## Usage
 
 In Dext, type `gh`, then your query.
 
+## Related
+
+- [dext](https://github.com/vutran/dext) - The Dext smart launcher
+- [dext-default-theme](https://github.com/vutran/dext-default-theme) - The default theme for Dext
+
 ## License
 
 MIT © [Vu Tran](https://github.com/vutran/)