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/bookclub/.env.template

@@ -0,0 +1,14 @@
+DOMAIN=${DOMAIN}
+SMTP_HOST=${BOOKCLUB_SMTP_HOST}
+SMTP_PORT=465
+SMTP_SECURE=true
+SMTP_USER=${BOOKCLUB_SMTP_USER}
+SMTP_PASS=${BOOKCLUB_SMTP_PASS}
+MAIL_FROM=${BOOKCLUB_MAIL_FROM}
+MAIL_TO=${BOOKCLUB_MAIL_TO}
+SECRET_PHRASE=${BOOKCLUB_SECRET_PHRASE}
+THANK_YOU_URL=/thanks.html
+BIND_HOST=0.0.0.0
+BIND_PORT=3000
+TRUST_PROXY=true
+TZ=America/New_York