fixes css imports like an adult

src/client/components/elements/DatePicker/DatePicker.js

@@ -3,8 +3,7 @@ import PropTypes from 'prop-types';
 import DatePicker from 'react-datepicker';
 import CalendarIcon from '../../icons/Calendar';
 
-// eslint-disable-next-line import/no-unresolved
-import '~react-datepicker/dist/react-datepicker.css';
+import 'react-datepicker/dist/react-datepicker.css';
 import './index.scss';
 
 const baseClass = 'date-time-picker';

src/webpack/getWebpackProdConfig.js

@@ -101,7 +101,7 @@ module.exports = (config) => {
             // Chains the sass-loader with the css-loader and the style-loader
             // to immediately apply all styles to the DOM.
             {
-              test: /\.(scss|sass)$/,
+              test: /\.(scss|sass|css)$/,
               use: getStyleLoaders({ importLoaders: 2 }, 'sass-loader'),
             },
             // "file" loader makes sure those assets get served by WebpackDevServer.