I have a Wordpress multisite where are user signs up to my site and they have their own subsite domain. For example. darc.fitcly.com and Fitcly.com is the main domain. When I share app with all users in domain. Do I just add Fitcly.com? And all users...

I made the universal link color for app to this color #5232edBut the calendar links is links is blue. how do I change that

I have Wordpress multisite that users registered for with their email. And is it possible that once a user registered they are automatically added to my app as a user? That way I don't have to manually invite users by email to join my app. Is that po...