GUI2 add in support for Preferences Service

Change-Id: Icdf2165d9f638aeff1b110a64777b93295935ed2
diff --git a/web/gui2-fw-lib/src/app/app.component.html b/web/gui2-fw-lib/src/app/app.component.html
index 26f2562..f8d881f 100644
--- a/web/gui2-fw-lib/src/app/app.component.html
+++ b/web/gui2-fw-lib/src/app/app.component.html
@@ -44,3 +44,4 @@
   If you change anything in the library, you will have to build it again before
   it is picked up in this app.
 </p>
+<onos-quickhelp></onos-quickhelp>