update header

env.py

@@ -1,18 +1,6 @@
 """IsaacLab Arena EnvHub Environment.
 
-This module provides an EnvHub-compatible environment for IsaacLab Arena integration.
-Load it from the Hugging Face Hub with:
-
-    from lerobot.envs.factory import make_env
-    envs_dict = make_env("nvidia/isaaclab-arena-envs", n_envs=4, trust_remote_code=True)
-
-Or use locally during development:
-
-    from env import make_env
-    envs_dict = make_env(n_envs=4)
-
-Configuration is loaded from configs/config.yaml.
-See README.md for full documentation.
+For more information, visit https://huggingface.co/docs/lerobot/envhub_isaaclab_arena
 """
 
 from __future__ import annotations