Merge pull request #2283 from syncfusion-content/EJ2-1010807-diataxis-style

1010807: Added docs for 'theming and styling' & 'Integrating into existing react layouts'

Author: AnanthaGokulaRaman

Document-Processing-toc.html

@@ -1026,6 +1026,7 @@
 							<li><a href="/document-processing/pdf/pdf-viewer/react/text-selection">Text Selection</a></li>
 							<li><a href="/document-processing/pdf/pdf-viewer/react/globalization">Globalization</a></li>
 							<li><a href="/document-processing/pdf/pdf-viewer/react/accessibility">Accessibility</a></li>
+							<li><a href="/document-processing/pdf/pdf-viewer/react/theming-and-styling">Theming and Styling</a></li>
 							<li><a href="/document-processing/pdf/pdf-viewer/react/context-menu/context-menu">Context Menu</a>
 								<ul>
 									<li><a href="/document-processing/pdf/pdf-viewer/react/context-menu/builtin-context-menu">Built-in Context Menu</a></li>
@@ -1079,6 +1080,7 @@
 									<li><a href="/document-processing/pdf/pdf-viewer/react/how-to/show-hide-annotation">Show and Hide Annotation</a></li>
 									<li><a href="/document-processing/pdf/pdf-viewer/react/how-to/enable-text-selection">Dynamically Enable or Disable Text Selection</a></li>
 									<li><a href="/document-processing/pdf/pdf-viewer/react/how-to/load-document-after-resources-loaded">Load document after resources loaded</a></li>
+									<li><a href="/document-Processing/pdf/pdf-viewer/react/how-to/existing-react-layout">Integrate PDF Viewer into existing react layout</a></li>
 								</ul>
 							</li>
 							<li>Troubleshooting

Document-Processing/PDF/PDF-Viewer/react/how-to-overview.md

@@ -63,3 +63,4 @@ The following how-to articles and frequently asked questions for the Syncfusion
 * [How to get the signature selected and unselected event?](./how-to/signatureselect-signatureunselect-ts)
 * [How to unload the PDF document from the viewer?](./how-to/unload-document)
 * [Load Document after resources Loaded](./how-to/load-document-after-resources-loaded)
+* [Integrate PDF Viewer into existing react layouts](./how-to/existing-react-layout)