homebridge-tplink-smarthome 6.1.0 error
homebridge-tplink-smarthome 6.1.0 error

### Expected Behavior
Not error out and work?

### Current Behavior
Filled out config for the plugin and nothing happens, log shows:

- The requested platform "TplinkSmarthome" was not registered by any plugin.
- Your config.json is requesting the platform "TplinkSmarthome" which has not been published by any installed plugins.

### Steps to Reproduce (for bugs)
Install plugin, setup the config and it doesnt work. Log shows errors that were present in the 6.0.0 version as well: https://github.com/hoobs-org/HOOBS/issues/850


### Versions
<!-- Please run commands and include versions below. -->
- **Node**:       12.16.3
- **Homebridge**: 3.2.6
- **OS**:         HOOBS

### Configuration
<!-- Please include the TplinkSmarthome platform section of your config.json file.
Paste between the the two ``` lines below.
-->
```

platform | "TplinkSmarthome"
-- | --
plugin_map |  
plugin_name | "homebridge-tplink-smarthome"
name | "TplinkSmarthome"
addCustomCharacteristics | false
deviceTypes |  
0 | "plug"
1 | "bulb"
switchModels |  
0 | "HS100"
1 | "KP400"
broadcast | "255.255.255.0"
pollingInterval | 30
transport | "tcp"
timeout | 15
waitTimeUpdate | 100


```

### Homebridge Log / Command Output
<!-- Paste relevant output between the two ``` lines below

-->
```
10/21/2020, 3:26:30 PM Got SIGINT, shutting down Bridge...
10/21/2020, 3:26:34 PM Loaded plugin "homebridge-tplink-smarthome".
10/21/2020, 3:26:35 PM The requested platform "TplinkSmarthome" was not registered by any plugin.
10/21/2020, 3:26:35 PM Your config.json is requesting the platform "TplinkSmarthome" which has not been published by any installed plugins.
10/21/2020, 3:26:35 PM Bridge is running on port 51826.
```
