Four Corners for Playdate v1.0.1

Fixes

• Fixes a rare issue where the grid could end up in an unplayable state when repopulating after a bomb goes off.
• Addresses a minor bug where the buttons on the main menu could render incorrectly.

If you've enjoyed the game, please consider giving it a rating! And if you haven't, definitely let me know what I can do to make it better.