Start migration to asp .net core + entity framework core

MainServer/Controllers/Game/ServiceOptionController.cs

@@ -0,0 +1,19 @@
+using Application.Game.Option;
+using Microsoft.AspNetCore.Mvc;
+
+namespace MainServer.Controllers.Game;
+
+[ApiController]
+[Route("service/option")]
+public class ServiceOptionController : BaseController<ServiceOptionController>
+{
+    [HttpGet("PlayInfo.php")]
+    public async Task<ActionResult<string>> GetPlayCount([FromQuery(Name = "card_id")] long cardId)
+    {
+        var query = new PlayCountQuery(cardId);
+        var count = await Mediator.Send(query);
+
+        return Ok("1\n" +
+                  $"{count}");
+    }
+}