Initial commit: 23 docker stacks for GitOps deployment

Stacks included:
- Infrastructure: traefik, authentik, gitea, registry, watchtower, dockge
- Monitoring: smokeping, changedetection
- Apps: ghost, gollum, wallabag, radicale, invidious, xbackbone, filebrowser, syncthing, zerotier
- Custom: obsidian-tools, memento, perilous, ramz, bookclub, brain

🤖 Generated with Claude Code

stacks/watchtower/docker-compose.yml

@@ -0,0 +1,14 @@
+services:
+  watchtower:
+    image: containrrr/watchtower:latest
+    container_name: watchtower
+    restart: unless-stopped
+    environment:
+      - TZ=America/New_York
+      - DOCKER_API_VERSION=1.44
+      - WATCHTOWER_SCHEDULE=0 0 4 * * *
+      - WATCHTOWER_CLEANUP=true
+      - WATCHTOWER_INCLUDE_STOPPED=false
+      - WATCHTOWER_REVIVE_STOPPED=false
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock