Homebridge with KNX plugin does not create objects in HomeKit
**Describe Your Problem:**
Ubuntu 18.04 with docker
Docker-homebridge installed via compose file
KNX plugin installed via package.json
Created the corresponding file knx_config.json with two objects (2 lamps) however these are not visible in HomeKit

**Logs:**
No warnings afaics

```
Show the Docker container logs here
```

**Docker Start Command:**
<!-- Show how you are starting the docker container -->
docker stack deploy -c dockercomposefiles/docker-homebridge/compose.yml homebridge

<!-- docker-compose? provide the full docker-compose.yml file -->

```
version: '3.8'

networks:
  host:
    name: host
    external: true


services:
  homebridge:
    image: oznu/homebridge:latest
    restart: always
    networks:
      - host
    environment:
      - TZ=Europe/Brussels
      - PGID=4000
      - PUID=1110
      - HOMEBRIDGE_CONFIG_UI=1
      - HOMEBRIDGE_CONFIG_UI_PORT=18888
    volumes:
      - /EVO500/AppsConfig/homebridge:/homebridge

```

**Homebridge Config:**

```json
{
    "bridge": {
        "name": "Homebridge 73D0",
        "username": "xx:xx:xx:xx:xx:xx",
        "port": 53428,
        "pin": "031-45-154"
    },
    "accessories": [],
    "platforms": [
        {
            "name": "Config",
            "port": 18888,
            "auth": "form",
            "theme": "navi-blue",
            "tempUnits": "c",
            "lang": "auto",
            "platform": "config"
        }
    ]
}

```

package.json
```json
{
  "private": true,
  "description": "This file keeps track of which plugins should be installed.",
  "dependencies": {
    "homebridge-dummy": "^0.4.0",
    "homebridge-knx": "^0.3.24"
  }
}
```

knx_config.json
```json
{
    "knxd_ip": "192.168.x.y",
    "knxd_port": 6720,
    "AllowWebserver": true,
    "AllowKillHomebridge": false,
    "Devices": [
                    {
            "DeviceName": "Bureau",
            "Services": [
                {
                    "ServiceType": "Lightbulb",
                    "ServiceName": "Lamp 1",
                    "Characteristics": [
                        {
                            "Type": "On",
                            "Set": [
                                "1/0/13"
                            ],
                            "Listen": [
                                "1/1/13"
                            ]
                        }
                    ]
                },
                {
                    "ServiceType": "Lightbulb",
                    "ServiceName": "Lamp 2",
                    "Characteristics": [
                        {
                            "Type": "On",
                            "Set": [
                                "1/0/14"
                            ],
                            "Listen": [
                                "1/1/14"
                            ]
                        }
                    ]
                }
            ]
        }
    ]
}

```

```
bart@nas:/EVO500/AppsConfig/homebridge$ ls -lah /EVO500/AppsConfig/homebridge/
total 322K
drwxr-xr-x  6 homebridge homebridge   20 May  5 23:37 .
drwxr-xr-x 12 root       root         12 May  5 18:25 ..
drwxr-xr-x  2 homebridge homebridge    2 May  5 18:35 accessories
-rw-r--r--  1 homebridge homebridge  359 May  5 18:35 auth.json
-rw-r--r--  1 homebridge homebridge  432 May  5 23:35 config.json
-rw-r--r--  1 homebridge homebridge  196 May  5 18:35 config.json.1588719669392
-rw-r--r--  1 homebridge homebridge  426 May  5 23:01 config.json.1588719714998
-rw-r--r--  1 homebridge homebridge  432 May  5 23:01 config.json.1588721255648
-rw-r--r--  1 homebridge homebridge  619 May  5 23:27 config.json.1588721622331
-rw-r--r--  1 homebridge homebridge  620 May  5 23:33 config.json.1588721755997
-rw-r--r--  1 homebridge homebridge   81 May  5 18:35 .docker.env
-rw-r--r--  1 homebridge homebridge 233K May  6 11:37 homebridge.log
-rw-r--r--  1 homebridge homebridge 1.3K May  5 23:05 knx_config.json
drwxr-xr-x  2 homebridge homebridge    2 May  5 18:35 logs
drwxr-xr-x  4 homebridge homebridge    4 May  5 23:37 node_modules
-rw-r--r--  1 homebridge homebridge  193 May  5 23:37 package.json
drwxr-xr-x  2 homebridge homebridge    4 May  5 18:35 persist
-rwxr-xr-x  1 homebridge homebridge  573 May  5 18:35 startup.sh
-rw-r--r--  1 homebridge homebridge  999 May  5 22:26 .uix-dashboard.json
-rw-r--r--  1 homebridge homebridge   81 May  5 18:35 .uix-secrets

```

**Screenshots:**
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**Environment:**

* **Host Operating System**: Ubuntu
* **Docker Version**: 19.03.8
* **Image Tag / Type**: latest

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