FCC/Framework/Edge.WebHost

this project worked as several purpose:
1. As an WebApi Implementor of DeviceProcessor.UniversalApi.ICommunicationProvider
the class AspNetCoreWebApiCommunicatorProvider take the resposibility, and be discovered at start of LiteFccCore.

2. Host a Mqtt server for servicing the default Universal Api MqttCommunicatorProvider.
the purpose doing this in this project is the browser javascript client need websocket to connect to a mqtt server, and this type of server must be
hosted inside a ASP.NET CORE web project.
3. As the Control panel of LiteFccCore
we can do this by a seprate project, but for now, i use this project for easy.
the feature is still very limited, now only has a page of Index.cshtml + WebApi + MqttApi helper page.