[FEATURE] Implement History feature

[SuperGrut]

Is this a unique feature?

• I have checked "open" AND "closed" issues and this is not a duplicate

Is your feature request related to a problem/unavailable functionality? Please describe.

Yes, the user should be able to view their chat history

Proposed Solution

Implement history feature where user can view their chat history with their pdf

Screenshots

No response

Do you want to work on this issue?

Yes

If "yes" to above, please explain how you would technically implement this

No response