- Updated response descriptors in various endpoints to utilize specific resource classes instead of generic JsonResponse.
- Changed response types for friendship, guild, party, and support issue endpoints to their respective resource classes.
- Incremented version number in manifest.json to 0.5.3 for the new changes.
Replaces the previous Kotlin-based Gradle build and template files with a new Java-based Gradle build system and updated example plugin code. Removes old build scripts, plugin template, and configuration, and introduces a new ExamplePlugin with updated manifest, command, and recipe example. Updates documentation and project configuration to match the new structure and usage.