updated db schema for attachments + add create user api endpoint

server/api/forum_api.py

@@ -26,10 +26,10 @@ def send_message() -> tuple[str, int]:
     if any([not p in data for p in ['content', 'thread']]):
         return '', 400
 
-    new_message = database.MessageORM(
-        user=flask_login.current_user.get_id(),
+    new_message = database.MessageDTO(
+        user_id=flask_login.current_user.get_id(),
         content=data['content'],
-        thread=data['thread'],
+        thread_id=data['thread'],
         time=int(time.time())
     )