This application demonstrates the use of SignalR to create a Doppelkopf Blazor application.
Blazor is a web framework developed by Microsoft that allows you to build interactive web applications using C# instead of JavaScript. With Blazor, you can write your application logic and UI components in C#, which is then executed on the server or in the browser using WebAssembly. SignalR, on the other hand, is a real-time communication library provided by Microsoft. It enables bi-directional communication between the server and the client, allowing you to build real-time web applications. SignalR uses various transport protocols, such as WebSockets, Server-Sent Events, and