Version 1.6.0

This update is mainly a cleanup/small change release to prepare for v2.0.0. Get hyped, big things are coming!

Changes

- TenCore is now a required dependency

- Upgraded Forge (12.18.3.2221)
- Upgraded JustEnoughItems (3.14.3.403)
- This version is for 1.10.2, I'm currently working on v2.0.0 which will include an official 1.11.2 version
- The "/profiler" command has been moved to TenCore
- All base classes have been moved to TenCore
- Removed "/datmod" command as it didn't do anything useful
- Updated the welcome message to point to our new GitHub