Feature request: Add Chroma Retrieval

[jeffchuber]

Use case

Chroma is the most popular retrieval solution that runs anywhere easily!

Would love to help get this out to better serve the community

Solution/User Experience

Implement across python and JS

Alternative solutions

[ailunc]

Hi! @jeffchuber
I tried to add this function in my PR.
I've written several test cases, and it looks working well.
Feel free to try it out, and if any problems, comment to let me know!