Create a login bundle for login page scripts

core/js/dist/login.js

core/js/dist/login.js.map

core/js/dist/main.js

core/js/dist/main.js.map

core/js/lostpassword.js

core/js/merged-login.json

core/src/Util/visitortimezone.js

core/src/login.js

core/src/lostpassword.js

core/templates/login.php

core/webpack.js