Remove Blazor project setup, including authentication, routing, and default configurations.

Polycomm/Polycomm.Client/UserInfo.cs

@@ -0,0 +1,9 @@
+namespace Polycomm.Client;
+
+// Add properties to this class and update the server and client AuthenticationStateProviders
+// to expose more information about the authenticated user to the client.
+public class UserInfo
+{
+    public required string UserId { get; set; }
+    public required string Email { get; set; }
+}