npm_and_yarn in /frontend, /frontend/tips/1-upload-a-file/code/javascript, /frontend/tips/2-download-a-file/code/javascript, /frontend/tips/3-work-with-frames/code/javascript, /frontend/tips/3-work-with-frames/code/serenity-js, /frontend/tips/4-work-with-multiple-windows/code/javascript, /frontend/tips/5-select-from-a-dropdown/code/javascript, /frontend/tips/6-open-new-window/code/javascript for axios, estree-util-value-to-estree, form-data, http-proxy-middleware, http-proxy-middleware, image-size, js-ya...

npm_and_yarn in /frontend, /frontend/tips/1-upload-a-file/code/javascript, /frontend/tips/2-download-a-file/code/javascript, /frontend/tips/3-work-with-frames/code/javascript, /frontend/tips/3-work-with-frames/code/serenity-js, /frontend/tips/4-work-with-multiple-windows/code/javascript, /frontend/tips/5-select-from-a-dropdown/code/javascript, /frontend/tips/6-open-new-window/code/javascript for axios, estree-util-value-to-estree, form-data, http-proxy-middleware, http-proxy-middleware, image-size, js-ya... #434