Upload mspacman/namespace_metadata.json with huggingface_hub

mspacman/namespace_metadata.json

@@ -1 +1 @@
-{}
+{"display_name": "Ms PacMan", "description": "Your goal is to collect all of the pellets on the screen while avoiding the ghosts.\n\nFor a more detailed documentation, see [the ALE documentation](https://ale.farama.org/environments/ms_pacman)"}