Add Docker deployment with Traefik integration

- docker-compose.yml for container orchestration
- Dockerfile with multi-stage build (node builder + nginx)
- nginx.conf for SPA serving

docker-compose.yml

@@ -0,0 +1,19 @@
+services:
+  mission-control-ui:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: mission-control-ui
+    restart: unless-stopped
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.mission-control-ui.rule=Host(`mission-control.danielarroyo.cl`)"
+      - "traefik.http.routers.mission-control-ui.entrypoints=websecure"
+      - "traefik.http.routers.mission-control-ui.tls.certresolver=letsencrypt"
+      - "traefik.http.services.mission-control-ui.loadbalancer.server.port=80"
+    networks:
+      - traefik
+
+networks:
+  traefik:
+    external: true