Related to #85

Everything should now be configured at runtime, with the exception of
the `Pleroma.HTML` scrubbers (the scrubbers used can be
changed at runtime, but their configuration is compile-time) because
it's building a module with a macro.

defaulting to :ok, since that's the currently level of error handling.

apparently, all elixir openstack libraries are trash
luckily, the APIs are stupid easy.

run formatter <#

Mastodon does not use the object name as alt text when the object is an Image.