fix: telegraf topics, mqtt brokers, docker-compose fixes

- Fix MOSQUITTO_HOST (wrong container name)
- Fix EMQX_PORT (1885 external -> 1883 internal)
- Fix telegraf MQTT topics (city/sensors/#)
- Fix BunkerM dynsec JSON
- Add kepler.yml Traefik config
- Update monitoring script

docker-compose.emqx.yml

@@ -0,0 +1,29 @@
+services:
+  emqx:
+    image: emqx/emqx:5.4
+    container_name: emqx_emqx_1
+    restart: unless-stopped
+    networks:
+      - smartcity-shared
+    ports:
+      - "1885:1883"
+      - "8083:8083"
+      - "8883:8883"
+      - "8084:8084"
+      - "18083:18083"
+    environment:
+      - EMQX_NAME=emqx
+      - EMQX_HOST=emqx_emqx_1
+    volumes:
+      - emqx-data:/opt/emqx/data
+      - emqx-log:/opt/emqx/log
+
+volumes:
+  emqx-data:
+    name: smart-city-emqx-data
+  emqx-log:
+    name: smart-city-emqx-log
+
+networks:
+  smartcity-shared:
+    external: true