This should be fairly easy to do. You can use Greddie’s random password generator pipe with a user form, go to the users details page add an edit form to it, add the pipe to a rule to generate the password and write it to the password field then add a notification to send the info to the user. Might need to get a little creative with adding the PW to the email, not suer if you can add the password field in an email notification.