Initial commit: Aoi (Аой-тян) — Matrix notifier for Navidrome and discovery-playlist

- aoi.py: poller for Navidrome (main + anime libraries), discovery playlists, release watch for liked/rated artists
- Last.fm enrichment (bio, tags); Bandcamp search links
- config.example.json: safe template; config.json gitignored
- deploy/aoi.service: systemd unit (production)
- assets/banner.png + aoi-avatar.png: persona banner + bot avatar
- Russian README in line with sibling bots (rada/watcher)

.gitignore

@@ -0,0 +1,12 @@
+config.json
+*.db
+*.db-*
+*.log
+.venv/
+__pycache__/
+*.pyc
+.pytest_cache/
+*.tmp
+
+
+*.db.bak*