Prepared game loading for UI
Removed old screens
Corrected background flipping
Made menu footer responsive
Added first responsive main menu
Finished logo animation
Added logo fading
Introduced working blur shader
Completed new background
Added crt shader
Added new shader files
Changed shader framework
Extended ShaderManager
Merge branch 'ui' into merge-path
Fixed shaderManager
Refactored SimpleShaderManager
Changed CRT shader
Fixed shader manager
Completed shadermanager
Added new shaders