feat: Cookbook Onboard (AI Assistant) integration

[ClockRide]

Description of change

Used docusaurus swizzle to extend the SearchBar component and integrated the @cookbookdev/docsbot library.

Links to any relevant issues

Resolves #1687

Type of change

Choose a type of change, and delete any options that are not relevant.

• [x] Enhancement (a non-breaking change which adds functionality)
• [x] Documentation Enhancement

Change checklist

Tick the boxes that are relevant to your changes, and delete any items that are not.

• [x] I have followed the contribution guidelines for this project
• [x] I have performed a self-review of my own changes
• [x] I have made sure that added/changed links still work
• [x] I have commented my code, particularly in hard-to-understand areas