v1.0.0

Full Changelog: https://github.com/JoepGeevers/BasicTet/commits/v1.0.0
Bare, not optimized, very slow, but fully playable implementation of Tetris for Commodore 64 Basic V2, featuring

• Rotate and move tetronimos
• Auto dropping
• Collision detection
• Landing detection
• Game over detection
• Remove filled lines