update selected

Main.sh

@@ -1,8 +1,8 @@
 
 
-cd ../markdown-snippet-injector
+cd ${WORKSPACE}/markdown-snippet-injector
 call npm install
 
 node . --root=../Xamarin-Forms/Examples/XamarinForms --docsroot=../Xamarin-docs/Source --sourceext=".cs|.xaml" --snippettitles="C#|XAML"
 
-cd ../Xamarin-Forms-docs
+cd ${WORKSPACE}/Xamarin-Forms-docs