Add detail game page (#41)

Reviewed-on: #41

src/GameIdeas/Client/GameIdeas.BlazorApp/Pages/Games/Gateways/GameGateway.cs

@@ -62,4 +62,18 @@ public class GameGateway(IHttpClientService httpClientService) : IGameGateway
             throw new GameNotFoundException(ResourcesKey.ErrorFetchGames);
         }
     }
+
+    public async Task<GameDetailDto> GetGameById(int gameId)
+    {
+        try
+        {
+            var result = await httpClientService.FetchDataAsync<GameDetailDto>(Endpoints.Game.FetchById(gameId));
+
+            return result ?? throw new InvalidOperationException(ResourcesKey.ErrorFetchGames);
+        }
+        catch (Exception)
+        {
+            throw new CategoryNotFoundException(ResourcesKey.ErrorFetchGames);
+        }
+    }
 }