Title. The window log has been stuck in "[file] content has collected." for 15 minutes and it doesn't look like it's going to finish.

The AMO page mentions linking some token to bypass some error about a rate limit.

It proceeds to state that you have to "Click GitZip add-on icon on your browser", but there isn't such icon.

More over, if I go to the addon's entry in the list present at about:addons, where I should also be able to access the configuration page for the addon, I can only remove the addon or report it to Mozilla.