Add PDF Support to OneFolder

[Xavier-LB]

🚀 Feature Request: PDF Support in OneFolder

Description

Add support for viewing and managing PDF files within OneFolder.

Goals

• Open and preview PDFs
• Navigate between pages
• Search text within PDFs (if applicable)
• Show PDFs in the file list

Possible Implementation

• Use pdf.js or another library for rendering
• Add basic controls: next/prev page, zoom
• Optimize for performance with large PDFs

Acceptance Criteria

• [ ] Users can open and view PDFs
• [ ] Users can navigate between pages
• [ ] PDFs appear in the file list
• [ ] Text-based PDFs can be searched