Basic websocket setup

Program.cs

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+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+var services = builder.Services;
+services.AddControllers();
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+services.AddEndpointsApiExplorer();
+services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+var webSocketOptions = new WebSocketOptions()
+{
+    KeepAliveInterval = TimeSpan.FromSeconds(120),
+};
+
+app.UseWebSockets(webSocketOptions);
+
+app.UseHttpsRedirection();
+app.UseAuthorization();
+app.MapControllers();
+app.Run();