Backend: Preprocess Data Watcher

[CalMWolfs]

What

Pre-processed data watcher api and other code related to it. Also did the todo of moving EntityHealthUpdateEvent to DataWatcherAPI. DataWatcher code changed significantly between 1.8 and 1.12 meaning it makes more sense to create a whole new mixin in the 1.12 package. This is also the largest, and most confusing code change between 1.8 and 1.12 so it gets its own special pr

Changelog Technical Details

• Moved EntityHealthUpdateEvent to DataWatcherAPI. - CalMWolfs
• Preprocessed DataWatcherAPI and code related to it. - CalMWolfs

[github-actions[bot]]

This pull request has conflicts with the base branch "beta". Please resolve those so we can test out your changes.

[github-actions[bot]]

Conflicts have been resolved! 🎉