#359 [doc] Update installation instructions for Blazor Server - Migra…

…tion guide to v3

Havit.Blazor.Components.Web.Bootstrap.Documentation/Pages/Migrations/MigratingToV3.razor

@@ -9,15 +9,15 @@
 
 <h3>2. Update Bootstrap CSS and JS references</h3>
 <h5>CSS</h5>
-<p>If you are using Bootstrap CSS from CDN, update the following line in your HTML head section, it's either <code>index.html</code> or <code>_Host.cshtml</code> depending on whether you're running WebAssembly or Server:</p>
+<p>If you are using Bootstrap CSS from CDN, update the following line in your HTML head section, it's either <code>index.html</code> or <code>_Host.cshtml</code>/<code>_Layout.cshtml</code> depending on whether you're running WebAssembly or Server:</p>
 <CodeSnippet Language="razor">&lt;link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-gH2yIJqKdNHPEq0n4Mqa/HGKIhSkIHeL5AyhkYV8i59U5AR6csBvApHHNl/vI1Bx" crossorigin="anonymous"&gt;</CodeSnippet>
 <p>
     If you are referencing our Bootstrap CSS build <code>_content/Havit.Blazor.Components.Web.Bootstrap/bootstrap.css</code>, it is updated automatically. 
     If you are referencing your custom Bootstrap build/theme, upgrade it to Boostrap 5.2.
 </p>
 
 <h5>Bootstrap JavaScript Bundle</h5>
-<p>At the end of HTML <code>&lt;body&gt;</code> section of either <code>index.html</code> or <code>_Host.cshtml</code> update this line referencing Bootstrap JavaScript Bundle (with Popper) from CDN:</p>
+<p>At the end of HTML <code>&lt;body&gt;</code> section of either <code>index.html</code> or <code>_Host.cshtml</code>/<code>_Layout.cshtml</code> update this line referencing Bootstrap JavaScript Bundle (with Popper) from CDN:</p>
 <CodeSnippet File="~\Pages\GettingStarted_JavaScript.CodeSnippet.html" />
 
 <h3>3. Resolve breaking changes ⚠️</h3>