See https://github.com/walkingeyerobot/pokeemerald/wiki/wsl2-and-vscode-setup for development environment info
// TODO: Remove rat sprite / HP bar when rat runs out of health
// TODO: Add way to sell cats, removing their sprites and adding cash
// TODO: Add rat mutations
// TODO: Change target when target dies, or remove projectile when target dies
// TODO: Add 'begin' button functionality, adding in-between rounds
// TODO: Add win/lose screens
// TODO: Add main menu