feat: max worker (#475)

feat: set text-add max worker 200

Author: CaralHsi

src/memos/memories/textual/tree_text_memory/organize/manager.py

@@ -92,7 +92,7 @@ def add(
         """
         added_ids: list[str] = []
 
-        with ContextThreadPoolExecutor(max_workers=20) as executor:
+        with ContextThreadPoolExecutor(max_workers=200) as executor:
             futures = {executor.submit(self._process_memory, m, user_name): m for m in memories}
             for future in as_completed(futures, timeout=60):
                 try: