Add lerobot dataset generator from dexforce shadow data

[matafela]

Description

• Add lerobot dataset generator from dexforce shadow data.

generate dataset:

python embodichain/lab/scripts/run_env.py --gym_config ./configs/gym/lerobot_gen/gym_config.json

visualize dataset:

lerobot-dataset-viz  --repo-id any --root /home/chenjian/.cache/huggingface/lerobot/time_0_trajectory_0  --mode local --episode-index 0

Fixes # (issue)

• Fix lerobot dataset creating issue in robot control parts.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Screenshots

Checklist

• I have run the black . command to format the code base.
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• Dependencies have been updated, if applicable.