Adding a link to the SWT FAQ in the "official" FAQ document

The FAQ has been migrated to .md and we should make it easier for users
to find the SWT related entries.

README.md

@@ -98,6 +98,10 @@ Information regarding source code management, builds, coding standards, and more
 
 - <https://projects.eclipse.org/projects/eclipse.platform.swt/developer>
 
+Also see in the SWT section of the Eclipse FAQ for more background information about SWT.
+
+- <https://github.com/eclipse-platform/eclipse.platform/blob/master/docs/FAQ/The_Official_Eclipse_FAQs.md#standard-widget-toolkit-swt>
+
 ## Contributor License Agreement
 
 Before your contribution can be accepted by the project, you need to create and electronically sign the Eclipse Foundation Contributor License Agreement (CLA).