Added .cpp/.h (mainMenu, scene) to the .mkb.
Included scene.h and mainMenu.h in the ThePuzzleGame.cpp.
Added initializing for the input systems, scene manager systems and the main menu.
Made the main menu to first thing that shows when the app is opened.
Added the update and the render for the scene manager in the game loop.
Changed the device yield to 0.
Added terminating for the added input and scene manager modules.
Added getters for the coordinates in the input class.
Adding .cpp/.h (mainMenu and scene) files in the source folder.