//Share Social Media
wfLoadExtension( 'Share' );
$wgShareEmail = false; //Enable 'Share via email' link in the sidebar
$wgShareFacebook = true; //Enable 'Share via Facebook' link in the sidebar
$wgShareLinkedIn = false; //Enable 'Share via LinkedIn' link in the sidebar
$wgSharePintrest = false; //Enable 'Share via Pinterest' link in the sidebar
$wgShareReddit = false; //Enable 'Share via Reddit' link in the sidebar
$wgShareTelegram = false; //Enable 'Share via Telegram' link in the sidebar
$wgShareTumblr = false; //Enable 'Share via Tumblr' link in the sidebar
$wgShareTwitter = true; //Enable 'Share via Twitter' link in the sidebar
$wgShareVK = false; //Enable 'Share via VK' link in the sidebar
$wgShareWeibo = false; //Enable 'Share via Weibo' link in the sidebar
$wgShareWhatsApp = false; //Enable 'Share via Whatsapp' link in the sidebar
$wgShareUseButtons = false; //Use sidebar buttons instead of sidebar links
I left as default for the time being