Zero0oClasses

## Changelog

### New
- Added a simple admin class editor UI
- Added `/classeadmin create <id> <display name>` to create a new class draft
- Added `/classeadmin edit <classId>` to edit an existing class
- Added direct save support from the admin UI into `classes.json`

### Improved
- Improved server-side class creation and balancing workflow
- Improved class configuration iteration without manual JSON editing
- Improved class data reload flow after admin-side changes
- Improved overall usability for server administrators

### Existing Recent Features
- Starter packs are now granted on first class assignment
- Class UI asset loading and packaging were improved
- Equipment restriction handling was made safer and more stable
- Class stat refresh behavior was improved
- Better compatibility with newer prerelease server environments