Sends a site member an email with a link to set their password.
Important:
This function is in Developer Preview and is subject to change.
The sendResetPasswordEmail() function returns a Promise that resolves
when the set password link is emailed to the member.
The reset password link is valid for 3 hours, and it can be used only once. If the link expires, no changes are made to the password.
Login email of the member whose password will be set.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.