- https://github.com/vuejs-templates/pwa/issues/42
- https://stackoverflow.com/questions/37645243/static-image-src-in-vue-js-template
direct img from storage
<img :src="'/static/img/clear.gif'">
upload multiple
- https://github.com/enyo/dropzone/issues/580
- https://tutsforweb.com/laravel-5-5-and-dropzone-js-uploading-images-with-removal-links/