doc: 更新示例

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Layout/HomeLayout.razor

@@ -64,6 +64,9 @@
             <div class="ms-1">BB @VersionService.Version</div>
             <FooterCounter></FooterCounter>
             <CacheCounter></CacheCounter>
+            <div class="ms-2">
+                <NetworkMonitorIndicator PopoverPlacement="Placement.Bottom"></NetworkMonitorIndicator>
+            </div>
         </div>
         <div class="d-flex flex-fill align-items-center justify-content-center">
             <a class="d-none d-md-block me-3" href="@WebsiteOption.CurrentValue.GiteeRepositoryUrl" target="_blank">@Localizer["Footer"]</a>

src/BootstrapBlazor/Components/NetworkMonitor/NetworkMonitorIndicator.razor

@@ -13,11 +13,11 @@
             </div>
             <div class="bb-nt-item">
                 <span>Downlink：</span>
-                <div>@_state.Downlink</div>
+                <div>@_state.Downlink M/s</div>
             </div>
             <div class="bb-nt-item">
                 <span>RTT：</span>
-                <div>@_state.RTT</div>
+                <div>@_state.RTT ms</div>
             </div>
         </div>
     </Template>