The script used to identify and update the change is added into the GitHub workflows script directory. A workflow action can be created to trigger the script to update the headers on the first of every new year. Possibly a task for a consequent PR.
without this, spacemacs//javascript-setup-checkers in package.el:45 will not be found unless user has the layer installed already
Thanks to sei40kr, duianto and others involved in https://github.com/thanhvg/vue/issues for contribution