Featurerequest: support changelog feature of dnf

[Woi]

https://bugzilla.redhat.com/show_bug.cgi?id=1066867 has been fixed 3 years ago.
So https://github.com/manatools/dnfdaemon/blob/master/python/dnfdaemon/server/__init__.py#L933-L936 could now be implemented, to make dnfdragora support changelogs on Fedora: manatools/dnfdragora#196

[anaselli]

Cool, thanks we will take a look at this!

[rapgro]

I have interest in this, too. What's the development state? This feature would be definitely nice for dnfdragora.