add models

app/models/users.py

@@ -0,0 +1,12 @@
+from pydantic import BaseModel
+from pydantic_mongo import AbstractRepository, ObjectIdField
+
+
+class Users(BaseModel):
+    id: ObjectIdField = None
+    username: str
+
+
+class UsersRepository(AbstractRepository[Users]):
+    class Meta:
+        collection_name = users