Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/FSO.Server.Api.Core/Controllers/ShardStatusController.cs

@@ -0,0 +1,29 @@
+using FSO.Common.Utils;
+using FSO.Server.Api.Core.Utils;
+using FSO.Server.Protocol.CitySelector;
+using Microsoft.AspNetCore.Cors;
+using Microsoft.AspNetCore.Mvc;
+using System.Net;
+
+namespace FSO.Server.Api.Core.Controllers
+{
+    [EnableCors]
+    [Route("cityselector/shard-status.jsp")]
+    [ApiController]
+    public class ShardStatusController : ControllerBase
+    {
+        [HttpGet]
+        public IActionResult Get()
+        {
+            var api = Api.INSTANCE;
+
+            var result = new XMLList<ShardStatusItem>("Shard-Status-List");
+            var shards = api.Shards.All;
+            foreach (var shard in shards)
+            {
+                result.Add(shard);
+            }
+            return ApiResponse.Xml(HttpStatusCode.OK, result);
+        }
+    }
+}