https://huggingface.co/spaces/hanabhi/gridworld-env/resolve/main/OpenEnv/docs/source/tutorials/openenv-tutorial.md
hf download hf://spaces/hanabhi/gridworld-env/OpenEnv/docs/source/tutorials/openenv-tutorial.md
curl -L -o openenv-tutorial.md https://huggingface.co/spaces/hanabhi/gridworld-env/resolve/main/OpenEnv/docs/source/tutorials/openenv-tutorial.md
../../tutorials/openenv-tutorial.md
