Sync infra config: HA/Zabbix relocation, Immich storage move, new services

Accumulated uncommitted infra changes:
- Caddyfile: repoint HA/Zabbix to 192.168.1.4/.3, add ~20 new site routes
- Immich: move media to /mnt/smsg, enable CUDA ML, mem limits, rewrite backup.sh
- Add service stacks: agap-mcp, anki, family, freshrss, iperf3, kanboard,
  linkwarden, qbittorrent, radicale, syncthing, vikunja, windows
- openwebui: enable API keys; ollama: drop CPU fallback
- seafile/zabbix: extra_hosts entries; matrix: add user juris
- Remove pihole stack and stale wiki/migrate.py
- Ignore marketplace-mcp (standalone repo) and linkwarden runtime data

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LeqyaxJF2nbRXJtae2kNB2

anki/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.11-slim
+
+RUN pip install --no-cache-dir anki
+
+EXPOSE 8080
+
+VOLUME /anki_data
+
+ENV SYNC_BASE=/anki_data
+
+CMD ["python", "-m", "anki.syncserver"]

anki/docker-compose.yml

@@ -0,0 +1,17 @@
+name: anki
+services:
+  app:
+    build: .
+    image: anki-sync-server:local
+    container_name: anki-sync-server
+    restart: always
+    ports:
+      - "127.0.0.1:8180:8080"
+    volumes:
+      - data:/anki_data
+    environment:
+      - SYNC_USER1=${ANKI_USER1:-admin:changeme}
+      - SYNC_BASE=/anki_data
+
+volumes:
+  data: