feat: moved to C# thanks to deepseek

Services/IGameService.cs

@@ -0,0 +1,14 @@
+using Phenix.Models;
+
+namespace Phenix.Services;
+
+public interface IGameService
+{
+    Task Init();
+    Task<List<Game>> GetAllGames();
+    Task<Game?> GetGameById(string id);
+    Task<(Game? Game, string Error)> CreateNewGame(string date, string time, string home, string away);
+    Task<bool> UpdateGame(string id, int? homeScore, int? awayScore, bool? rain, bool? practice);
+    Task<bool> DeleteGameById(string id);
+    Task<bool> SwitchVisitors(string id);
+}