After installation, run npm install and then run gulp dev which will open up a preview of the template in your default browser, watch for changes to core template files, and live reload the browser when changes are saved. You can view the gulpfile.js to see which tasks are included with the dev environment.
gulpthe default task that builds everythinggulp devbrowserSync opens the project in your default browser and live reloads when changes are madegulp sasscompiles SCSS files into CSSgulp minify-cssminifies the compiled CSS filegulp minify-jsminifies the themes JS filegulp copycopies dependencies from node_modules to the vendor directory