feat: Added a chat support box

[rishuraj1]

Related Issue

Closes: #779

Description of Changes

• added a chat support box (although not fully functional)
• design and structure
• I will be working on this feature and improve it more in the coming PRs.

Checklist:

• My code adheres to the established style guidelines of this project.
• I have conducted a self-review of my code.
• I have included comments in areas that may be difficult to understand.
• I have made corresponding updates to the project documentation.
• My changes have not introduced any new warnings.

Screenshots

@anmode

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
grabtern-frontend	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 19, 2023 0:12am

[github-actions]

Thank you, @rishuraj1, for creating this pull request and contributing to GitHub-ReadMe!
Our review team will thoroughly review the pull request and will reach out to you soon!
Please make sure you have marked all the completed tasks as done.
We appreciate your patience and contribution!

[anmode]

Wow rishu, frontend code and design look cool. Just functionality left? and this issue needs to fixed actually it caused when you send blank message.

[anmode]

I'll merging this you can create other pR for improving it and adding functionality. and let me know if any backend connection needed or you have any ideas?