Update index banner

Author: vnbaaij

examples/Demo/Shared/Pages/Index/Index.razor

@@ -6,11 +6,12 @@
 
 <h1>Welcome to the Fluent UI Blazor components library</h1>
 <div class="demopanel" style="margin: 1rem 0; padding: 2.5rem; text-align: center">
-	<p>This is the demo and documentation site for the <strong>next</strong> version (<strong>4.0.0</strong>) of the library</p>
+	<p>This is the demo and documentation site for version <strong>4.0.0-rc.1</strong> of the library. This version supports .NET 8 <strong>only</strong> </p>
 	<br />
 	<p>
-		The <a href="https://www.fluentui-blazor.net/"> version 3 demos and documentation</a> site is also still available.
-
+		The demo and documentation sites for previous versions are also still available:<br />
+		<a href="https://calm-sea-053fa6a03-archivesv3.westeurope.3.azurestaticapps.net/" target="_blank">Version 3.3.0</a> - <a href="https://calm-sea-053fa6a03-archivesv2.westeurope.3.azurestaticapps.net/" target="_blank">Version 2.4.3</a><br />
+		These versions support both .NET 6 and .NET 7.
 	</p>
 </div>