Install and configure storybook

.storybook/config.js

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+import { configure } from '@storybook/react';
+
+function loadStories() {
+  const req = require.context('../components', true, /(\/|\.)stories\.js$/);
+  req.keys().forEach(filename => req(filename));
+}
+
+configure(loadStories, module);

.storybook/webpack.config.js

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+const webpackConfig = require('../webpack.config.js');
+
+module.exports = {
+  module: webpackConfig.module
+};

components/elements/checkbox/stories.js

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+import React from 'react';
+import {storiesOf} from '@storybook/react';
+
+import Checkbox from './index';
+
+storiesOf('Checkbox', Checkbox)
+  .add('default', () => (
+    <Checkbox
+      title="Чекбокс"
+    />
+  ));