Extension:FeaturedFeeds/WMF deployment

Technical notes for deployment

 * There's FeaturedFeedsWMF.php that contains typical feeds for every project, it should be included after extension's main file.
 * Requires ParserFunctions to function properly on many wikis.
 * Requires a change of $out->getLanguage->getCode into $out->getLang->getCode to work on 1.18wmf1.

Per-site rollout
For languages yours sincerely could grok in 5 minutes

Wikipedias
English (en)
 * FA: Wikipedia:Today's featured article/
 * OTD: Wikipedia:Selected anniversaries/
 * POTD: Template:POTD protected/

Indonesian (id)
 * Rotating FA
 * OTD: Templat:HariIniDalamSejarah/27 August
 * Has a daily DYK at Wikipedia:Tahukah Anda/27 August

Malay (ms)
 * Monthly FA
 * Weekly pics
 * Weekly DYK
 * OTD: Wikipedia:Hari ulang tahun pilihan/27 August

Bulgarian (bg)
 * Weekly FA: Шаблон:Избрана статия
 * OTD: Шаблон:Начална страница 27 August
 * POTD from Commons

Catalan (ca)
 * FA: Plantilla:article  27
 * OTD: Plantilla: 27

Chinese (zh)
 * Weekly FA: Wikipedia:特色条目/2024年第周
 * OTD:  Wikipedia:历史上的今天/August27日
 * DYK: ?
 * ITN: ?
 * GA:  Wikipedia:优良条目/2024年August27日
 * POTD: Wikipedia:每日图片/2024年August27日