feat(db): add initial main implementation

- connect to MQTTS broker
- connect to Influx DB
- subscribe to +/+/update MQTT topic and send receive message to influx
- add traefik config for ui and db

Signed-off-by: Klagarge <remi@heredero.ch>

db/.env.template

@@ -1,4 +1,5 @@
 INFLUX_PORT=8181
 UI_PORT=8093
+MQTT_BROKER_URL=tls://mqtt.e.kb28.ch:8883
 MQTT_USERNAME=
 MQTT_PASSWORD=