Boids

• Update to 1.21
• Make fish jumping out of water more unlikely

• Compile with java 17
• Fixes crash with java 17

• Add a basic config
• Add /boids config reload command

Update to 1.20.5

1.20.1

• Fix unexpected behaviour when fish die

• Fix flying fish

• Add icon

• Change loader version to 0.15.1
• Improve mod compatibility
• Clean up code