AddTournament To list by add

Apollon.WPF/Stores/TournamentStore.cs

@@ -0,0 +1,19 @@
+using Apollon.WPF.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Apollon.WPF.Stores
+{
+    public class TournamentStore
+    {
+        public event Action<Tournament> TournamentAdded;
+
+        public async Task Add(Tournament tournament)
+        {
+            TournamentAdded?.Invoke(tournament);
+        }
+    }
+}