Add CliFx support

Akari.Prototype.Server/Cli/Commands/MainCommand.cs

@@ -0,0 +1,19 @@
+using CliFx;
+using CliFx.Attributes;
+using CliFx.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Akari.Prototype.Server.Cli.Commands
+{
+    [Command]
+    public class MainCommand : ICommand
+    {
+        public async ValueTask ExecuteAsync(IConsole console)
+        {
+            await Program.AspMain(Array.Empty<string>());
+        }
+    }
+}