Update README to 
Update README to 

"will never ask you for your Gmail password" is unfortunately not quite true; with the revocation of XOAuth2 access, it _will_ ask for _a_ Gmail password; it is up to the user to read the instructions and create an application password instead of handing over their real password.
jberkel/sms-backup-plus,rsalmaso/sms-backup-plus,jberkel/sms-backup-plus,rsalmaso/sms-backup-plus