Updating chat prompt to original (5b24b76c)

See merge request !9

Testing framework & Naturalist mod

See merge request !8

- new junit test module
- 4 initial tests for attack, follow, and flee
- improved regex to support <behavior> or *behavior*
- improved message cleaning
- refactor of HTTP requests to remove some Minecraft and Fabric specific imports

- Large prompt refactor for system chat message

Alex's Mobs Art

See merge request !7