Release v2.4.0: PDF Analysis and Intelligent Chunking

- PDF analysis with auto-detection of .pdf URLs
- Intelligent chunking for large documents (>2000 words)
- Chapter detection and Q&A generation
- GPT-4o powered summarization
- Full text view UI (already implemented)
- SWOT auto-population (v2.3.0)
- YouTube InnerTube API transcripts (v2.2.1)