Pygame implementation of the classic "Asteroids" game for Boot.Dev.

• Add a scoring system
• Implement multiple lives and respawning
• Add an explosion effect for the asteroids
• Add acceleration to the player movement
• Make the objects wrap around the screen instead of disappearing
• Add a background image
• Create different weapon types
• Make the asteroids lumpy instead of perfectly round
• Make the ship have a triangular hit box instead of the circular one
• Add a shield power-up
• Add a speed power-up
• Add bombs that can be dropped