🎨 v2.0.0 — Compose Rewrite & Multi-Theme

• 7 color schemes (incl. AMOLED & Dynamic)
• Grid column scaling (1–5 columns)
• App settings backup/restore
• Material 3 transitions
• Fix: Checklist drag-and-drop in big lists
• Fix: Offline deletions queued
• Fix: WebDAV 403 compatibility
• Fix: Thread-safety & resource leaks
• Legacy code removed, full Compose
• License: AGPL v3

Full changelog:
https://github.com/inventory69/simple-notes-sync/blob/main/CHANGELOG.md
