[FEATURE] Adding a preview for the uploaded document

[AMS003010]

I propose to add a section that previews the uploaded document. This will help the users to confirm the document to be analyzed without having to open it.

Benefits:
Better UX.
Improves accessibility for users.

Please do assign me this issue 🍀

[Sreyasiv]

Hi @AMS003010 Please Star the repo, will assign this to you

[AMS003010]

Done