Package upgrades
Included:
- @fortawesome/fontawesome-free
- autoprefixer
- css-loader
- eslint
- eslint-config-airbnb
- eslint-config-prettier
- eslint-plugin-import
- eslint-plugin-react
- file-loader
- jquery
- node-sass
- prettier
- style-loader
- stylelint
- stylelint-order
- url-loader
- webpack
- webpack-dev-server