refactor(form-filler): improve form field creation with DOM methods
refactor(compare-pdfs): use textContent instead of innerHTML
refactor(duplicate-organize): replace innerHTML with DOM methods
style(main): remove commented start app line
feat(config): add pdf-tools config file with tool categories
- 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
