AI docs helper

[josephjclark]

Short Description

Adds an AI explainer to the doc site

Details to follow

Work To Do

• Fix the Robot icon and center the icon
• Fix the CSS overlay issue (the outer wrapper catches clicks, it needs a no pointer CSS)
• Add a beta tag somehow
• format the returned markdown nicely
• Make decisions about openai/zilliz/pre-caching results
• Or maybe limit the number of queries per session per day
• Maybe improve the rag and prompt? Is it even working