https://medrum.herokuapp.com/articles: Random articles
https://medrum.herokuapp.com/articles/?interval=(latest.day,week,month): Return articles base on interval
source: You can get a list of all sources id here
limit: Feeds limit
sort: Sort feeds (latest, popular)
page: pagination (int|2)
subsource: sources with subsources
https://medrum.herokuapp.com/feeds?source=(source_id)&page=1&sort=popular