...Your changes to CSS, HTML & JS files will be relayed instantly without having to manually reload the extension. This ends up saving a lot of time and improving the developer experience. This comes with a gulp-based workflow that converts modern ES6 JavaScript and SCSS to JS/CSS. Scripts are transpired using Babel and bundled using Browserify. Source maps are available for both JS and SCSS. A .sketch file is included in the resources directory. This has all the icons and promo images that will be needed while uploading the extensions to the app stores.