zotkit 0.1.0

First public release.

• Headless Zotero library management via the Web API: find / create (dedup, dry-run) / tag / status / move / backup
• Direct WebDAV attachment upload & download (Zotero's K.zip/K.prop format) — no desktop app required
• Optional tag conventions enforced in code via conventions.toml
• zotkit CLI + from zotkit import Zot Python API