submit Add and Edit Command

Apollon.WPF/Commands/AddTournamentCommand.cs

@@ -0,0 +1,26 @@
+using Apollon.WPF.Stores;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Apollon.WPF.Commands
+{
+    public class AddTournamentCommand : AsyncCommandBase
+    {
+        private readonly ModalNavigationStore _modalNavigationStore;
+
+        public AddTournamentCommand(ModalNavigationStore modalNavigationStore)
+        {
+            _modalNavigationStore = modalNavigationStore;
+        }       
+
+        public override async Task ExecuteAsync(object parameter)
+        {
+            // Add Tournament to Database
+
+            _modalNavigationStore.Close();
+        }
+    }
+}