Add deployment scaffolding (Dockerfile, docker-compose, nginx)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,20 @@
+services:
+  trippin-prod:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: trippin-prod:latest
+    container_name: trippin-prod
+    restart: unless-stopped
+    networks:
+      - traefik-public
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.trippin.rule=Host(`trippinballs.lol`) || Host(`www.trippinballs.lol`)"
+      - "traefik.http.routers.trippin.entrypoints=web"
+      - "traefik.http.services.trippin.loadbalancer.server.port=80"
+      - "traefik.docker.network=traefik-public"
+
+networks:
+  traefik-public:
+    external: true