Add wordarr: request & import manager for ebooks, comics and audiobooks

FastAPI + SQLite backend with vanilla-JS web UI. Requests via Open
Library / Audible / AniList metadata search (or manual entry) with
per-request target library selection. Manual import flow: scan the
download dir, fuzzy-match files against missing requests, review,
then move+rename into the library per configurable naming templates.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,6 @@
+.venv/
+__pycache__/
+*.egg-info/
+config/
+*.db
+.pytest_cache/