- Implemented DeesPdfViewer for full-featured PDF viewing with toolbar and sidebar navigation.
- Created DeesPdfPreview for lightweight PDF previews.
- Introduced PdfManager for managing PDF document loading and caching.
- Added CanvasPool for efficient canvas management.
- Developed utility functions for performance monitoring and file size formatting.
- Established styles for viewer and preview components to enhance UI/UX.
- Included demo examples for showcasing PDF viewer capabilities.
