SwitchPixelGameEngine v0.3

• update keyboard and mouse api to libnx 4.1.3
• clean code and format
• Refactor code structure

SwitchPixelGameEngine v0.2

feature

• RGB support
• Draw figure basic function
• Fill figure basic function
• Display FPS on top
• Print string
• Support different size of Pixel
• Only support 1280 x 720
• Keyboard input
• Mouse input
• png image support