feat: add begin repair workflow

backend/app/repairs/dependencies.py

@@ -0,0 +1,8 @@
+"""Dependency construction for the Repairs domain."""
+
+from app.repairs.repository import RepairRepository
+from app.repairs.service import RepairService
+
+
+def get_repair_service() -> RepairService:
+    return RepairService(RepairRepository())