Chatbot Avatar Images (#5258)
* avatar images
* images
* add changeset
* fixes
* format
* type fix
* test fix
* format
* fixes
* tuple
* change to tuple
* test fix
* remove index file
* fixes
* save
* test fix
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Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
