Add feature genie

[li-zhuoyuan]

Hi there! 👋
I am submitting this Pull Request to introduce Genie Robot Series from Agibot.

Changes

• Adds Genie Robot Series assets(Agibot G2 and G1).
• Add both mobile chassis and fix chassis, you can use it into the lab framework.

Note on Base Branch

• Since the feature/genie branch does not currently exist in the upstream repository, I have set the base branch to main for now.
• If you prefer this to be merged into a specific development branch, please let me know or create the target branch, and I will happily update this PR.
• Alternatively, maintainers can change the base branch directly from the PR settings if needed.

Checklist

• I have merged the latest main branch and confirmed there are no conflicts.
• I have tested locally and verified that the automated workflow using robot assets works correctly.
• My changes generate no new warnings.
• My code follows the style guidelines of this project.