modularize service layer, add mobile nav drawer, and sync docs

app/main.py

@@ -21,7 +21,7 @@ from app.http.middleware import (
 )
 from app.logging_config import configure_logging, parse_redact_fields
 from app.security.csrf import CSRFMiddleware
-from app.services.scheduler import SchedulerService
+from app.services.domains.ingestion.scheduler import SchedulerService
 from app.settings import settings
 
 logger = logging.getLogger(__name__)