Refactor code structure; improve organization and readability across multiple files

models/room_functions.py

@@ -16,4 +16,10 @@ class RoomFunction(db.Model):
     rooms: Mapped[List['Room']] = relationship('Room', back_populates='room_function')
 
     def __repr__(self):
-        return f"<RoomFunction(id={self.id}, description={repr(self.description)})>"
+        return f"<RoomFunction(id={self.id}, description={repr(self.description)})>"
+    
+    def serialize(self):
+        return {
+            'id': self.id,
+            'name': self.description
+        }