Allow users to apply to Beta test skills
Currently when enabling Beta testing for a skill, it is necessary to add the email addresses of the beta testers. They will then receive an invite, which will allow them to test the skill. The invite URL is not usable by anybody who has not been added to the list. It would be nice to be able to allow users to apply to be testers have with options for this to either be on an approval basis or open. This would then make it a lot easier to manage testers as it would not be necessary for us to obtain their email addresses.