Fix errors and add commas,

Program.cs

@@ -1,15 +1,25 @@
 
+using Microsoft.AspNetCore;
+
 namespace TG_Bot_Template
 {
     public class Program
     {
-        public static void Main(string[] args)
+        public static void Main()
         {
-            new WebHostBuilder()
-                .UseKestrel(k => k.ListenAnyIP(80))
-                .UseStartup<Startup>()
+            CreateHostBuilder()
                 .Build()
                 .Run();
         }
+        private static IHostBuilder CreateHostBuilder()
+        {
+            return Host.CreateDefaultBuilder()
+            .ConfigureWebHostDefaults(webHost => {
+                webHost.UseStartup<Startup>();
+                webHost.UseStaticWebAssets();
+                webHost.UseKestrel(kestrelOptions => { kestrelOptions.ListenAnyIP(80); });
+            });
+
+        }
     }
 }