feat: ragbot integration with working responses by the bot in ui

[amaan-bhati]

What has changed?

Integrated the Keploy Ragbot. This includes a ragbot chat window that pops up on clicking the icon on the bottom right corner, this is identical to the ragbot present in the keploy.io official website.

Please include a summary of the change.

• Created Ragchat.js component and included it in the root layout of the project in the index.js file
• v0 ui with working repsonses in the frontend by the bot
• responsive chat window
• support form working with responses being stored in the db
• localstorage support, chat history preserved based on the user queries in the past
• light theme ui
• ui identical to what is on the official keploy website

This PR Resolves #(issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).
• Documentation update (if none of the other choices apply).

How Has This Been Tested?

Please run npm run build and npm run serve to check if the changes are working as expected. Please include screenshots of the output of both the commands. Add screenshots/gif of the changes if possible.

Checklist:

• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.