Feat: add orm for Tribes

backend/adapters/orm.py

@@ -0,0 +1,17 @@
+from sqlalchemy import Column, MetaData, String, Table
+from sqlalchemy.orm import mapper
+
+from backend.model.tribe import Tribe as TribeModel
+
+metadata = MetaData()
+
+tribes = Table(
+    "tribes",
+    metadata,
+    Column("name", String(255), primary_key=True),
+    Column("level", String(255)),
+)
+
+
+def start_mappers():
+    tribes_mapper = mapper(TribeModel, tribes)