Updated _Sidebar (markdown)

_Sidebar.md

@@ -1,4 +1,23 @@
 ### Table of Contents
 ***
+## Library Design
+* raylib arquitecture
+* External dependencies
+* OpenGL Graphic API
+* 2D vs 3D Development
+* [raylib custom shaders](raylib-generic-uber-shader-and-custom-shaders)
+* Default Paths
 
-This is a test
+## Platform Compilation
+* Compile for Windows
+* Compile for GNU Linux
+* Compile for OSX
+* Compile for Android
+* Compile for Raspberry Pi
+* Compile for Web (HTML5)
+* Compile for Oculus Rift CV1
+## Help!
+* How To: Using SpriteFonts
+* How To: audio module as standalone library
+* How To: rlgl module as standalone library
+* FAQ