metadata: Screenshot links are 404s
From data/org.gnome.Devhelp.appdata.xml.in.in
:
<screenshots>
<screenshot type="default">
<image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-1.png</image>
<caption>Devhelp's main window, showing a list of books in the side panel.</caption>
</screenshot>
<screenshot>
<image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-2.png</image>
<caption>Devhelp's main window, showing an open book.</caption>
</screenshot>
<screenshot>
<image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-3.png</image>
<caption>Devhelp supports opening multiple books within the same window.</caption>
</screenshot>
<screenshot>
<image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-4.png</image>
<caption>Devhelp supports HTML documentation formats, including gi-docgen and gtk-doc.</caption>
</screenshot>
</screenshots>