Added controller for gameconfig, easiest one to stub out more or less

TOOHUCardAPI/Controllers/GameConfigController.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using TOOHUCardAPI.Models;
 
 namespace TOOHUCardAPI.Controllers
 {
@@ -11,5 +12,10 @@ namespace TOOHUCardAPI.Controllers
     [ApiController]
     public class GameConfigController : ControllerBase
     {
+        [HttpGet]
+        public async Task<GameConfigResponse> GetGameConfig()
+        {
+            return GameConfigResponse.Default();
+        }
     }
 }