Initial commit: breakpilot-lehrer - Lehrer KI Platform

Services: Admin-Lehrer, Backend-Lehrer, Studio v2, Website,
Klausur-Service, School-Service, Voice-Service, Geo-Service,
BreakPilot Drive, Agent-Core

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend-lehrer/.dockerignore

@@ -0,0 +1,17 @@
+__pycache__
+*.pyc
+*.pyo
+.git
+.gitignore
+.env
+.env.*
+venv/
+.venv/
+*.egg-info/
+dist/
+build/
+.pytest_cache/
+.mypy_cache/
+*.log
+data/
+backups/