feat: 增加 AdminAlert 组件

src/blazor/admin/BootstrapAdmin.Web/Components/AdminAlert.razor

@@ -0,0 +1,3 @@
+<Block Condition="IsDemo">
+    <Alert Icon="fa fa-warning" Color="Color.Info">@Text</Alert>
+</Block>

src/blazor/admin/BootstrapAdmin.Web/Components/AdminAlert.razor.cs

@@ -0,0 +1,25 @@
+using BootstrapAdmin.Web.Core;
+
+namespace BootstrapAdmin.Web.Components;
+
+public partial class AdminAlert
+{
+    [Parameter]
+    public string? Text { get; set; }
+
+    private bool IsDemo { get; set; }
+
+    [Inject]
+    [NotNull]
+    private IDict? DictService { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    protected override void OnInitialized()
+    {
+        base.OnInitialized();
+
+        IsDemo = DictService.IsDemo();
+    }
+}