Add server api definition

MusicCast.Net.Api.Server/Controllers/DistController.cs

@@ -0,0 +1,16 @@
+using Microsoft.AspNetCore.Mvc;
+using MusicCast.Net.Api.Server.Models;
+
+namespace MusicCast.Net.Api.Server.Controllers;
+
+[ApiController]
+[Route("/YamahaExtendedControl/v1/dist/")]
+public class DistController
+{
+    [HttpGet]
+    [Route("getDistributionInfo")]
+    public GetDistributionInfoResponse GetDistributionInfo()
+    {
+        throw new NotImplementedException();
+    }
+}