- Cleaned up the HTML structure in index.html and pdf-multi-tool.html for better readability and maintainability.
- Improved the user interface of the PDF multi-tool with responsive button designs and better layout.
- Added new CSS styles for button states and cursor behavior.
- Updated README with corrected Docker deployment link.
- Refactored JavaScript logic to utilize new helper functions for formatting star counts.
- Commented out unused attachment functionalities in the logic files for future integration.
- Added 'Extract Attachments' and 'Edit Attachments' functionalities to manage embedded files in PDFs.
- Introduced new splitting options: by bookmarks and by a specified number of pages (N times).
- Updated the user interface to include new options and improved layout for better usability.
- Enhanced the GitHub link display with dynamic star count retrieval.
- Bumped version to 1.4.0 and updated footer to reflect the new version.
- Refactored existing code for better maintainability and added new TypeScript definitions for the new features.
