doc(Tab): add ShowTabInHeader documentation (#5785)

* doc: 增肌 ShowTabInHeader 参数说明

* doc: 增加 Tips 说明

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/Tabs.razor

@@ -18,6 +18,7 @@
         <div>@((MarkupString)Localizer["TabsTips3"].Value)</div>
     </p>
     <p>@Localizer["TabsTips4"]</p>
+    <div>@((MarkupString)Localizer["ShowTabInHeaderDesc"].Value)</div>
 </Tips>
 
 <p class="code-label">@Localizer["TabsInfoTitle"]</p>

src/BootstrapBlazor.Server/Locales/en-US.json

@@ -2154,7 +2154,8 @@
     "AttributeContextMenuCloseOtherIcon": "the icon of tab item context menu close other button",
     "AttributeContextMenuCloseAllIcon": "the icon of tab item context menu close all button",
     "AttributeContextMenuFullScreenIcon": "the icon of tab item context menu full screen button",
-    "AttributeOnBeforeShowContextMenu": "before popup context menu callback"
+    "AttributeOnBeforeShowContextMenu": "before popup context menu callback",
+    "ShowTabInHeaderDesc": "After enabling the multi-tab function in the <code>Layout</code> component, you can render the <code>Tab</code> tag header into the <code>Layout</code> Header template by setting <code>ShowTabInHeader=\"true\"</code>. The effect can be viewed by creating a new project in the <a href=\"template\" target=\"_blank\">Project Template</a>"
   },
   "BootstrapBlazor.Server.Components.Components.DemoTabItem": {
     "Info": "Reset the title of this <code>TabItem</code> by click the button",

src/BootstrapBlazor.Server/Locales/zh-CN.json

@@ -2154,7 +2154,8 @@
     "AttributeContextMenuCloseOtherIcon": "右键菜单关闭其他按钮图标",
     "AttributeContextMenuCloseAllIcon": "右键菜单关闭全部按钮图标",
     "AttributeContextMenuFullScreenIcon": "右键菜单全屏按钮图标",
-    "AttributeOnBeforeShowContextMenu": "右键菜单弹出前回调方法"
+    "AttributeOnBeforeShowContextMenu": "右键菜单弹出前回调方法",
+    "ShowTabInHeaderDesc": "<code>Layout</code> 组件中开启多标签功能后，可以通过设置 <code>ShowTabInHeader=\"true\"</code> 将 <code>Tab</code> 标签头渲染到 <code>Layout</code> Header 模板中，效果可以通过 <a href=\"template\" target=\"_blank\">项目模板</a> 新建工程查看"
   },
   "BootstrapBlazor.Server.Components.Components.DemoTabItem": {
     "Info": "点击下方按钮，本 <code>TabItem</code> 标题更改为当前分钟与秒",