feat: add vmis-backend-test container config and fix test env route

- Add docker/vmis-test/ with separate .env (10.1.0.20:5433) and docker-compose
- Route YAML: is_active=False → vmis-backend-test, is_active=True → vmis-backend
- Test and production managers now use independent backend containers

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

docker/vmis-test/docker-compose.yml

@@ -0,0 +1,16 @@
+services:
+  vmis-backend-test:
+    image: vmis-backend:latest
+    container_name: vmis-backend-test
+    restart: unless-stopped
+    env_file: .env
+    volumes:
+      - /home/porsche/.ssh:/root/.ssh:ro
+    networks:
+      - traefik-network
+    labels:
+      - "traefik.enable=false"
+
+networks:
+  traefik-network:
+    external: true