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/Admin/AdminTasksController.cs

@@ -0,0 +1,73 @@
+using FSO.Server.Api.Core.Utils;
+using FSO.Server.Database.DA.Tasks;
+using FSO.Server.Protocol.Gluon.Packets;
+using Newtonsoft.Json;
+using System;
+using System.Net;
+using System.Linq;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Cors;
+
+namespace FSO.Server.Api.Core.Controllers.Admin
+{
+    [EnableCors("AdminAppPolicy")]
+    [Route("admin/tasks")]
+    [ApiController]
+    public class AdminTasksController : ControllerBase
+    {
+        [HttpGet]
+        public IActionResult Get(int limit, int offset)
+            {
+            var api = Api.INSTANCE;
+                api.DemandAdmin(Request);
+
+                using (var da = api.DAFactory.Get())
+                {
+
+                    if (limit > 100)
+                    {
+                        limit = 100;
+                    }
+
+                    var result = da.Tasks.All((int)offset, (int)limit);
+                    return ApiResponse.PagedList<DbTask>(Request, HttpStatusCode.OK, result);
+                }
+            }
+
+        [HttpPost("request")]
+        public IActionResult request([FromBody] TaskRequest task)
+        {
+            var api = Api.INSTANCE;
+            api.DemandAdmin(Request);
+
+            var taskServer = api.HostPool.GetByRole(Database.DA.Hosts.DbHostRole.task).FirstOrDefault();
+            if (taskServer == null)
+            {
+                return ApiResponse.Json(HttpStatusCode.OK, -1);
+            }
+            else
+            {
+                try
+                {
+                    var id = taskServer.Call(new RequestTask()
+                    {
+                        TaskType = task.task_type.ToString(),
+                        ParameterJson = JsonConvert.SerializeObject(task.parameter),
+                        ShardId = (task.shard_id == null || !task.shard_id.HasValue) ? -1 : task.shard_id.Value
+                    }).Result;
+                    return ApiResponse.Json(HttpStatusCode.OK, id);
+                }
+                catch (Exception ex)
+                {
+                    return ApiResponse.Json(HttpStatusCode.OK, -1);
+                }
+            }
+        }
+    }
+    public class TaskRequest
+    {
+        public DbTaskType task_type;
+        public int? shard_id;
+        public dynamic parameter;
+    }
+}