Update README and ROADMAP; Fix typos; optimize the code for llm calling in agent.py

desktop_env/controllers/setup.py

@@ -242,7 +242,7 @@ class SetupController:
             until: Optional[Dict[str, Any]] = None
     ):
         if not command:
-            raise Exception("Empty comman to launch.")
+            raise Exception("Empty command to launch.")
 
         until: Dict[str, Any] = until or {}
         terminates: bool = False