- Introduced `TransitionViewPaged` and `TransitionViewVertical` widgets to handle chapter transitions.
- Created `ChapterTransitionPage` widget to display transition information between chapters.
- Updated reader view logic to incorporate transition pages when navigating chapters.
- Enhanced `UChapDataPreload` model to support transition states and next chapter information.
feat(localization): add chapter transition messages in multiple languages
fix(dependencies): update Dart SDK and dependencies
- Updated Dart SDK constraint to ^3.8.0.
- Changed `epubx` dependency to use the latest version from GitHub.