Allow to add websites
Many websites don't make their feeds easy to find, so as a user I'd like to be able to just add https://planet.gnome.org/
, or even better planet.gnome.org
and let Feeds add it appropriately.
To make this possible, here is the head of the Planet GNOME front page:
<head>
…
<link rel="alternate" type="application/atom+xml" title="Planet GNOME Atom 1.0" href="https://planet.gnome.org/atom.xml">
<link rel="alternate" type="application/rss+xml" title="Planet GNOME RSS 2.0" href="https://planet.gnome.org/rss20.xml">
…
</head>