Register DUB project hosted on CodeBerg?

[Dejan Lekic]

OK, I have found the issue.
I was pasting the clone URL from GitLab, which is either 
`https://gitlab.com/ddn/ddn.git` or `git at gitlab.com:ddn/ddn.git`. 
After talking to the guys on Discord, @Hipreme especially 
(thanks!), I realised I should have tried without `.git` part and 
voila, it worked!

Perhaps a paragraph of each supported hosting provider example 
repo URL would be good in that form to make it more obvious what 
we need to type there.

Kind regards, and thanks all!