Okay, let's call it a night!
This is the very first front-end part that is related to #federation in #funkwhale. This is the scan form.
You give ot an account, such as library@funkwhale.domain, and it will try to fetch available data about the remote library.
The scan process involves:
1. Fetching the webfinger resource
2. Fetching the underlying activitypub actor
3. Fetching the actor's library, if any