Extension:FeaturedFeeds/WMF deployment

Technical notes
There's FeaturedFeedsWMF.php that contains typical feeds for every project, it should be included after extension's main file.

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