v3.0.15 protected

Lukas Schreiner

@mono

1eaf3d38 · Merge branch 'release/3.0.15' · Oct 27, 2025

Release version 3.0.15

Changes:
    - Compatibility update for Android
    - Delete orphaned lessons, classes and teachers.
    - Added flag for skipping tomorrow-filter enabled by default for eBBs.