모델-스키마 매핑 함수 구현

src/infra/db/mapper.py

@@ -0,0 +1,9 @@
+from sqlalchemy.orm import registry
+
+from src.domain.entity.calendar import Calendar
+from src.infra.db.schema import calendar
+
+
+def map_between_model_and_schema():
+    mapper_registry = registry()
+    mapper_registry.map_imperatively(Calendar, calendar)