updated readme

Author: liamrahav

README.md

@@ -50,6 +50,27 @@ Simply head to your terminal and type in `pip install cocos` or `sudo pip instal
 
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+### Tutorial Structure
+
+The code is grouped in folders by their difficulty level. Here is how it's mostly layed out:
+
+`root directory/
+
+    |
+    
+    | readme
+    
+    | --> difficulty/
+    
+        |
+        
+        | --> assets/
+        
+        | readme
+        
+        | examples
+`
+
 From here you should be read to start reading through the samples and trying out the concepts yourself. I group the the code by difficulty level, so I recommend starting in the `basics` folder and working your way up.
 
 It's important to note that `basics` does not mean Python basics! You should at least have a basic grasp on writing object oriented code before trying to jump into Cocos2D Python!
@@ -58,5 +79,6 @@ It's important to note that `basics` does not mean Python basics! You should at
 
 Cocos has also provided some pretty good basic documentation and video samples, but unforunately it stops there. You can check those out here http://python.cocos2d.org/doc/programming_guide/index.html
 
+
 I created this repository because I found the Cocos2D Python documentation to be extremely limited, especially in code samples, beyond the basic level. It is also relatively complex and hard to understand. I often found myself needing to look at the source code for explanations on how to use certain classes and features. 
 If I had tried to teach myself Cocos half a year ago, when I was just getting familiar with basic-intermediate concepts in Python, I would have been hopelessly confused. These guides are aimed towards people in that level.