Documentation for gf

1. Introduction to gf
   • Features of Gamedev Framework (gf)
   • Build and install gf
   • Differences with SFML
   • Recommanded libraries
2. Tutorials on gf
   • Gamedev 101
   • Start a game with gf
3. User documentation (WIP)
   1. Core classes
      • Safe singletons
      • Making noise
   2. Graphics classes
      • How to write your own shader
   3. Game classes
      • Game messages
4. Developper's corner
   • Developper documentation
   • OpenGL in gf
   • References
   • Road to version 1.0