added shortcode documentation to FAQ

git-svn-id: https://plugins.svn.wordpress.org/yakadanda-instagram/trunk@952739 b8457f37-d9ea-0310-8a92-e5e31aec5664
added shortcode documentation to FAQ

git-svn-id: https://plugins.svn.wordpress.org/yakadanda-instagram/trunk@952744 b8457f37-d9ea-0310-8a92-e5e31aec5664
added shortcode documentation to FAQ

git-svn-id: https://plugins.svn.wordpress.org/yakadanda-instagram/trunk@952746 b8457f37-d9ea-0310-8a92-e5e31aec5664