Ably Realtime C# Demo App

Objective = I need someone to create app using ably.io realtime api in c# and create simple app which will allow user to set the key and also set the name of channel and history to fetch and when user clicks on connect it will connect to ably and download history and subscribe to the channel for real-time messages.

i need it to be in .net c#

https://ably.com/docs/realtime