Consolidate qpdf initialization code into helpers.ts to avoid duplication
Improve error message for password protected PDFs
Fortify encryption logic by auto-filling owner password when empty
- Replace PDFKit with qpdf-wasm for more robust and secure PDF encryption/decryption
- Add support for owner password and granular permission controls
- Improve UI with better security explanations and options
- Add proper type assertions for DOM element properties
- Remove unused md-to-pdf feature
- Fix type errors in various PDF manipulation functions
- Improve type safety for HTML element interactions
- Implement core PDF manipulation tools (split, merge, convert, etc.)
- Add state management and UI utilities
- Set up build configuration with Vite and TailwindCSS
- Include essential dependencies for PDF processing
- Add gitignore and basic project configuration files
