Integrates upstream PR #511 changes while preserving local delete/archive
functionality. Key changes:
- Add RecentBook struct with path, title, author fields
- Update RecentBooksStore to store and serialize metadata
- Implement version migration for existing recent.bin files
- Update MyLibraryActivity to display two-line items (title + author)
- Update EpubReaderActivity and XtcReaderActivity to pass metadata
Maintains backwards compatibility with delete/archive feature from
local commit d5a9873.
2952d7554c