Synchronise les parties entre les deux devices

ChessCubing.Server/Program.cs

@@ -75,6 +75,7 @@ builder.Services.AddSingleton<MySqlUserProfileStore>();
 builder.Services.AddSingleton<MySqlSocialStore>();
 builder.Services.AddSingleton<ConnectedUserTracker>();
 builder.Services.AddSingleton<PlayInviteCoordinator>();
+builder.Services.AddSingleton<CollaborativeMatchCoordinator>();
 
 var app = builder.Build();