PDF Viewer demos updated

Author: gvreddy04

BlazorBootstrap.Demo.RCL/Components/Pages/PdfViewer/PdfViewerDocumentation.razor

@@ -36,10 +36,17 @@
 </Section>
 
 <Section Size="HeadingSize.H2" Name="Password protected" PageUrl="@pageUrl" Link="password-protected">
+    <div class="mb-3">
+        To open a password-protected PDF document, set the <code>Password</code> parameter to the required password.
+    </div>
     <Demo Type="typeof(PdfViewer_Demo_05_Password_Protected_A)" Tabs="true" />
 </Section>
 
 <Section Size="HeadingSize.H2" Name="Prompt for password" PageUrl="@pageUrl" Link="prompt-for-password">
+    <div class="mb-3">
+        If the <code>Password</code> parameter is not set and the PDF document is password-protected, the PDF Viewer component will prompt the user to enter the password.
+        In the following example, the PDF Viewer prompts the user to enter the password for the protected PDF document. Enter <b>12345</b> as the password to view the document.
+    </div>
     <Demo Type="typeof(PdfViewer_Demo_05_Password_Protected_B_Prompt_For_Password)" Tabs="true" />
 </Section>