[Major Dev Tasks] Official Sync and New Data Structure

[GeoffreyChen777]

Refactoring

• official sync testing
• new data structure defination Entity based on bibtex
• refactor data repositories and database core
• fit the codebase with the new data structure
  • UI
    • Main Paper View
    • Feed View
    • Details View
    • Editing View
    • Preference View
    • Guide View
    • Check Sidebar
    • Check Notification
  • PaperService
  • FeedService
  • ScrapeService
  • ReferenceService
  • Preference Migration
  • Database Migration
• Build new paperlib-api
• refactor entry-scrape-extension
• refactor metadata-scrape-extension
• refactor metadata service
• implement sync for Entity and Categorizer
• Test everything

New features

• changable default supplementary
• preview markdown files
• sync status icon

[GeoffreyChen777]

@charlieJ107 we have a lot of works to do 🤣

[charlieJ107]

@charlieJ107 we have a lot of works to do 🤣

We will make it 💪!

Meanwhile, I call for help from the open-source world. Welcome contributing!