build cli

src/cli/Program.cs

@@ -1,2 +1,21 @@
 // See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+
+using cli;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+internal class Program
+{
+    public static IHost? AppHost { get; private set; }
+    public static IConfigurationRoot? AppConfiguration { get; private set; }
+    public static IHostEnvironment? AppEnvironment { get; private set; }
+
+    private static void Main(string[] args)
+    {
+        HostApplicationBuilder builder = Host.CreateApplicationBuilder(args);
+        AppHost = builder.Build();
+        AppConfiguration = builder.Configuration;
+        AppHost.Start();
+        AppEnvironment = builder.Environment;
+        Console.WriteLine("Hello, World!");
+    }
+}