feat(evershelf): add evershelf service configuration with Traefik labels

nodes/heimdall/evershelf/compose.yaml

@@ -0,0 +1,28 @@
+services:
+  evershelf:
+    build: .
+    container_name: evershelf
+    ports:
+      - "8080:80"
+    networks:
+      - proxy-net
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.evershelf.entrypoints=websecure"
+      - "traefik.http.routers.evershelf.rule=Host(`evershelf.castaldifamily.com`)"
+      - "traefik.http.routers.evershelf.tls=true"
+      - "traefik.http.routers.evershelf.tls.certresolver=cloudflare"
+      - "traefik.http.services.evershelf.loadbalancer.server.port=8080"
+    volumes:
+      # Persist database and runtime data
+      - /mnt/appdata/evershelf/data:/var/www/html/data
+      # Mount your local .env configuration
+      - /mnt/appdata/evershelf/.env:/var/www/html/.env:ro
+    restart: unless-stopped
+    environment:
+      - TZ=America/New_York
+
+networks:
+  proxy-net:
+    name: proxy-net
+    external: true