How to make homebridge run in the background of wireless router？
### Current Situation

I installed Merlin firmware on ASUS router and homebridge. Access and run homebridge through SSH. But when I close the SSH window, homebridge stops running.

### Logs

```markdown
[Thu Mar 03 2022 15:37:42 GMT+0800 (CST)] Loaded config.json with 0 accessories and 1 platforms.
[Thu Mar 03 2022 15:37:42 GMT+0800 (CST)] Loaded 1 cached accessories from cachedAccessories.
[Thu Mar 03 2022 15:37:42 GMT+0800 (CST)] ---
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] Loaded plugin: homebridge-config-ui-x@4.42.0
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] Registering platform 'homebridge-config-ui-x.config'
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] ---
failed to load BLE module!
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] Loaded plugin: homebridge-yeelight@0.0.21
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] Registering platform 'homebridge-yeelight.yeelight'
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] ---
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] Loading 1 platforms...
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] [yeelight] Initializing yeelight platform...
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] [yeelight] YeePlatform Init
[Thu Mar 03 2022 15:37:43 GMT+0800 (CST)] [yeelight] DidFinishLaunching
[Thu Mar 03 2022 15:37:44 GMT+0800 (CST)] [yeelight] no ble cap, skip ble device discovery
```


### Configuration

```json
{
    "bridge": {
        "name": "Homebridge",
        "username": "CC:22:3D:E3:CE:30",
        "port": 51826,
        "pin": "031-45-154",
        "bind": [
            "br0"
        ],
        "advertiser": "ciao"
    },
    "accessories": [],
    "platforms": [
        {
            "bridge": {
                "name": "YeeBridge",
                "username": "28:6C:07:AA:99:23",
                "port": 51825,
                "pin": "031-45-154"
            },
            "platforms": [
                {
                    "platform": "yeelight",
                    "name": "yeelight"
                }
            ],
            "platform": "yeelight"
        }
    ]
}
```


### Environment

- OS:Merlin firmware
- Software:Merlin firmware
- Node: v14.18.1
- npm: 6.14.15


### Process Supervisor

hb-service

### Additional Context

_No response_