Add user manager page (#22)

Reviewed-on: #22

src/GameIdeas/Client/GameIdeas.BlazorApp/Pages/UserMenu/UserMenu.razor.cs

@@ -0,0 +1,29 @@
+using GameIdeas.BlazorApp.Pages.UserMenu.Gateways;
+using Microsoft.AspNetCore.Components;
+
+namespace GameIdeas.BlazorApp.Pages.UserMenu;
+
+public partial class UserMenu
+{
+    [Inject] private IAuthGateway AuthGateway { get; set; } = default!;
+    [Inject] private NavigationManager NavigationManager { get; set; } = default!;
+
+    private bool ContentVisile = false;
+
+    private async Task HandleLogoutClicked()
+    {
+        ContentVisile = false;
+        await AuthGateway.Logout();
+        NavigationManager.NavigateTo("/Games");
+    }
+
+    private void HandleAccountClicked()
+    {
+        ContentVisile = true;
+    }
+
+    private void HandleBackdropFilterClicked()
+    {
+        ContentVisile = false;
+    }
+}