Update docs

Author: mre

README.md

@@ -2,7 +2,12 @@
 
 ![Preview](preview.gif)
 
-A VisualStudioCode extension for [cht.sh](https://cht.sh/).
+A Visual Studio Code extension for [cht.sh](https://cht.sh/).
+
+## Features
+
+* Zero configuration: works out of the box.
+* Automatically detects programming language from current editor window.
 
 ## Installation
 
@@ -20,4 +25,10 @@ Marketplace](https://marketplace.visualstudio.com/items?itemName=vscode-snippet.
 ### Search for snippet based on selected text 
 
 1. Hit <kbd>⌘ Command</kbd> + <kbd>⇧ Shift</kbd> + <kbd>p</kbd>
-2. Run `Snippet: Find Selected Text`.
+2. Run `Snippet: Find Selected Text`.
+
+## Contributing
+
+This plugin is far from feature-complete.  
+If you want to improve it, feel free to pick one of the [open issues](https://github.com/mre/vscode-snippet/issues) and give it a shot.  
+In case you need any help, just add a comment to the issue to get a conversation started. :smiley: