v0.1.0

feat: initial open-source release v0.1.0

- Go WebDAV sync backend with CLI and HTTP API
- Tauri v2 desktop UI with Vue 3 frontend
- Single-task sync/check/test-sync with real-time SSE progress
- Password encryption (AES-256-GCM) and password file support
- Auto-start, system tray, light/dark themes
- Cross-platform builds (Linux + Windows)
- Config auto-generation on first run
- MIT License