chore: upgrade Storybook to 6.5.9

This also updates package-lock to lockfileVersion 2, automatically done when running npm install.

Author: WesSouza

.storybook/main.js

@@ -4,8 +4,15 @@ module.exports = {
     '../.storybook/**/*.stories.(js|mdx)'
   ],
   addons: [
-    '@storybook/addon-docs',
-    'storybook-addon-styled-component-theme/dist/register',
-    '@storybook/addon-storysource'
+    {
+      name: '@storybook/addon-docs',
+      options: {
+        sourceLoaderOptions: {
+          injectStoryParameters: false
+        }
+      }
+    },
+    '@storybook/addon-storysource',
+    'storybook-addon-styled-component-theme/dist/register'
   ]
 };

.storybook/config.js renamed to .storybook/preview.js

@@ -1,4 +1,3 @@
-import { configure, addDecorator } from '@storybook/react';
 import { withThemesProvider } from 'storybook-addon-styled-component-theme';
 import themes from '../src/common/themes';
 import GlobalStyle from './decorators/globalStyle';
@@ -31,5 +30,11 @@ const reorderedThemes = {
   ...otherThemes
 };
 
-addDecorator(GlobalStyle);
-addDecorator(withThemesProvider(Object.values(reorderedThemes)));
+export const decorators = [
+  GlobalStyle,
+  withThemesProvider(Object.values(reorderedThemes))
+];
+
+export const parameters = {
+  layout: 'fullscreen'
+};

.storybook/webpack.config.js

@@ -1,12 +1,6 @@
 const path = require('path');
 
 module.exports = ({ config }) => {
-  config.module.rules.push({
-    test: /\.stories\.js?$/,
-    loaders: [require.resolve('@storybook/addon-storysource/loader')],
-    enforce: 'pre'
-  });
-
   config.resolve = Object.assign(config.resolve, {
     alias: {
       ...config.resolve.alias,