Replace placeholder clone URL with actual repo URL:
https://github.com/RobbStarkAustria/infoscreen_2025.git
Add first-run step to initialize the database using the one-shot script:
python server/initialize_database.py
Mention initialize_database.py in project structure
Add a one-shot DB init command to the “Database Management” section
Update Copilot instructions:
Prefer initialize_database.py for local dev (migrations + defaults + academic periods)
Note legacy init scripts were removed; use Alembic + initialize_database.py going forward
No runtime/code changes; documentation only
