support google A2UI

[dengqizhou]

Self Checks

• I have searched for existing issues search for existing issues, including closed ones.
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• [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:)
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1. Is this request related to a challenge you're experiencing? Tell me about your story.

support google A2UI

2. Additional context or comments

https://github.com/google/A2UI

3. Can you help us with this feature?

• I am interested in contributing to this feature.