Initial setup: OpenResto deployment for Lunkaberg breakfast booking

Adapts upstream's release docker-compose.yml to run behind this server's
Nginx Proxy Manager on the shared my-main-net network instead of publishing
host ports. Includes docs/ for session continuity.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014vNjtg18oTQcv8dtjwnT69

.env.example

@@ -0,0 +1,35 @@
+# Copy to .env and fill in real values. Never commit the real .env.
+
+# --- Required ---
+# JWT signing key, min 32 chars: openssl rand -base64 48
+JWT_KEY=
+
+# Public URL this deployment is served on
+CORS_ORIGINS=https://frukost.lunkaberg.se
+
+# Seeds the admin account on first boot only
+ADMIN_EMAIL=
+ADMIN_PASSWORD=
+
+# --- Optional: SMTP for booking confirmation emails ---
+SMTP_HOST=
+SMTP_PORT=587
+SMTP_USERNAME=
+SMTP_PASSWORD=
+SMTP_FROM_EMAIL=
+SMTP_FROM_NAME=Lunkaberg Frukost
+SMTP_ENABLE_SSL=true
+
+# --- Optional: push notifications ---
+VAPID_PUBLIC_KEY=
+VAPID_PRIVATE_KEY=
+VAPID_SUBJECT=
+
+# --- Optional: Apple/Google Wallet passes ---
+APPLE_PASS_TYPE_ID=
+APPLE_TEAM_ID=
+APPLE_PASS_CERTIFICATE_PATH=
+APPLE_PASS_CERTIFICATE_PASSWORD=
+APPLE_WWDR_CERTIFICATE_PATH=
+GOOGLE_WALLET_ISSUER_ID=
+GOOGLE_WALLET_SERVICE_ACCOUNT_KEY_PATH=