Updated mediawiki/extensions
Project: mediawiki/extensions/YouTube  503dcc167e6015f353167dbdf1dce79b4faf2ade

Add link to description page on mw.org

Change-Id: Ibab80e1a32f930e178a024af85b406f67dea1e73
GitHub: https://github.com/wikimedia/mediawiki-extensions-YouTube/pull/1