|BUILD CONFIGURATION|
[Linux]
* Added a basic Makefile for GCC

|SOURCE|
* Code added from:
  https://github.com/OpenGameDevelopers/ZED-Template
[Common::Configuration]
* This class is responsible for reading and writing configuration settings
[Common::Game]
* This is responsible for managing the life cycle of the game
[Common::Main]
* The main entry point for the game to execute