Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  851a2c0a36c12705c73aeb8920e4fcb77a34e3ff

Add missing documentation

Add missing documentation for:
Section.js
ContentOverlay.js
settings.js
uploads.js
toast.js
user.js

Change-Id: Iab9585daafd9c8fe4becd6e0f480b38fe8a5b293