Update README with tutorial

Author: uduse

README.md

@@ -18,6 +18,7 @@ Using [Sublime Package Control](http://wbond.net/sublime_packages/package_contro
 Restart your Sublime and you're ready to rock!
 
 ## Usage
+- [Checkout my tutorial on setting up your GameMaker Studio: 2 for Sublime](Checkout my tutorial on setting up your GameMaker Studio: 2 for Sublime)!
 - Name your script with extension ```gml```. For example, ```nvm.gml```. Syntax highlighting will be applied automatically. 
 - Partially type keywords or built-in variables to trigger autocompletion.
 - Partially type function name to trigger function snippet. If multiple parameters are avaliable, TAB (↹) to go to next one. Available snippets are: ```for```, ```if```, ```else```, ```repeat```, ```switch```, ```while```, ```with```, and most of the built-in functions.