feat: [FC-0044] Course unit - Copy/paste functionality (#884)

Implement copy/paste.

Co-authored-by: monteri <36768631+monteri@users.noreply.github.com>
Co-authored-by: ihor-romaniuk <ihor.romaniuk@raccoongang.com>

src/generic/divider/Divider.jsx

@@ -0,0 +1,16 @@
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+
+const Divider = ({ className, ...props }) => (
+  <div className={classNames('divider', className)} {...props} />
+);
+
+Divider.propTypes = {
+  className: PropTypes.string,
+};
+
+Divider.defaultProps = {
+  className: undefined,
+};
+
+export default Divider;

src/generic/divider/Divider.scss

@@ -0,0 +1,5 @@
+.divider {
+  border-top: $border-width solid $light-400;
+  height: 0;
+  margin: $spacer map-get($spacers, 0);
+}

src/generic/divider/index.jsx

@@ -0,0 +1,2 @@
+// eslint-disable-next-line import/prefer-default-export
+export { default as Divider } from './Divider';