Added .gitignore for apps/ folder except for examples.
Added .gitignore for apps/ folder except for examples.

numediart/MotionMachine,numediart/MotionMachine,barneyElDinosaurio/MotionMachine,numediart/MotionMachine,barneyElDinosaurio/MotionMachine,numediart/MotionMachine,barneyElDinosaurio/MotionMachine