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

agap-mcp/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:22-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+RUN npm install -g @bitwarden/cli
+COPY package.json ./
+RUN npm install --production
+COPY src/ ./src/
+COPY start.sh ./
+RUN chmod +x start.sh
+CMD ["./start.sh"]