doc(OfficeViewer): update nuget download link

Author: ArgoZhang

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

@@ -5,7 +5,7 @@
 
 <h4>@Localizer["OfficeViewerDescription"]</h4>
 
-<PackageTips Name="BootstrapBlazor.OfficeDocumentViewer" />
+<PackageTips Name="BootstrapBlazor.OfficeViewer" />
 
 <DemoBlock Title="@Localizer["OfficeViewerNormalTitle"]" Introduction="@Localizer["OfficeViewerNormalIntro"]" Name="Normal">
     <section ignore>