Rock Run 0.3.0

New release available.

This release focuses on upgrading the project to Bevy 0.16.1, fixing several lingering bugs along the way. With the engine update now complete and the codebase stabilized, I'm ready to move on to the fun part: adding new content.

Here is the changelog: https://github.com/uggla/rock_run/blob/main/Changelog.md