Develop labeling module (#25)

* refactor: remove db table management from LS adapter (mv to scripts later); change adapter to use the same MySQL DB as other modules.

* refactor: Rename LS Adapter module to datamate-python

runtime/datamate-python/app/services/__init__.py

@@ -0,0 +1,6 @@
+# app/services/__init__.py
+
+from .dataset_mapping_service import DatasetMappingService
+from .sync_service import SyncService
+
+__all__ = ["DatasetMappingService", "SyncService"]