Facilitate moving and referencing of static files from Pagure to GitLab

[gridhead]

Facilitate moving and referencing of static files from Pagure to GitLab

It is possible.

See https://docs.gitlab.com/ee/api/projects.html#upload-a-file.

We can use Marko https://pypi.org/project/marko/ to replace the static file references in the textual body.

[jwflory]

This would make migrating the Fedora Badges repository possible. That repo is most likely the one to cause the most trouble in migrating because there are so many assets there.