docs: add full homelab documentation structure

docs/servers/SERENITY.md

@@ -0,0 +1,55 @@
+# Serenity
+
+Unraid NAS and media ingestion server.
+
+## Specs
+- **OS:** Unraid 7.2.4
+- **IP:** 10.5.1.5 | Tailscale: 100.94.87.79
+- **CPU:** Xeon X5690
+- **RAM:** 102GB
+- **GPU:** None (Matrox IPMI only)
+- **UPS:** None
+
+## Storage
+- `malcolm` pool: RAIDZ1 of 6×10TB HDDs (~40TB usable) — heavily utilized
+- Cache pool: single Kingston SNV2S 1TB NVMe (ZFS)
+
+## Docker Networks
+`arrs`, `hotio`, `br0` (macvlan), `bridge`
+
+## Active Containers
+- **Media:** sonarr, sonarr-anime, radarr, lidarr, readarr, readarr-epub, prowlarr, bazarr, unpackerr
+- **Download:** qBittorrent, GluetunVPN, autobrr, qbit_manage
+- **Notifications:** Notifiarr
+- **Access:** Wizarr, Newt, dockersocket, Hawser
+- **Databases:** postgresql15, MariaDB-Official
+- **Other:** romm, GameVault, shelfmark (port 8084), netdata
+- **Dead/remove:** Unraid-Cloudflared-Tunnel
+
+## Backup Strategy
+- Sanoid snapshots cache/appdata: 7 daily, 4 weekly, 6 monthly
+- Syncoid replicates cache/appdata → malcolm/zfs_backups_array (strict-mirror)
+- No off-site backup currently
+
+## Custom Scripts
+- **qBit Mover script:** pauses torrents 0–4 days old, then runs Unraid mover
+- **MAM-init script:** updates MyAnonamouse IP inside qbit container
+- **Mover Status script:** sends Discord webhook notifications
+
+## Key Shares
+| Share | Size | Purpose |
+|-------|------|---------|
+| data | 35TB | Media library (NFS-mounted by PD at `/mnt/unraid/data`) |
+| immich | 62GB | Immich photo storage (NFS-mounted by PD at `/mnt/unraid/immich`) |
+| nextcloud | 7.4GB | Nextcloud data |
+| Tesla/dashcam | 1.6TB | Dashcam footage |
+| fizzlebang | 17GB | Personal files |
+| isos | 22GB | ISO images |
+| Syncthing | 4.6GB | Syncthing data |
+| manndra | — | Partner's storage |
+| Long and Low Crafts | — | Crafts business files |
+| zfs_backups_array | — | ZFS backup target for cache/appdata |
+
+## Pending
+- Remove dead Unraid-Cloudflared-Tunnel container
+- malcolm pool capacity planning (heavily utilized)