v1.0.0

Initial Chrome Web Store launch release, reconstructed from commit history for GitHub release metadata.

Highlights:

• Chrome MV3 extension with popup, options page, and background sync worker.
• Notion OAuth token exchange server and bookmark sync flow.
• Incremental bookmark syncing, duplicate prevention, and event-driven sync state.
• Website, landing page, pricing UI, auto-sync, billing page, monitoring, and production build setup.
• Description extraction and caching improvements.