@see https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#deprecated---static-dir-cli-flag

This addresses the following warning when running `npm run storybook`:

  WARN Storybook support for Create React App is now a separate preset.
  WARN To use the new preset, install `@storybook/preset-create-react-app` and add it to the list of `addons` in your `.storybook/main.js` config file.
  WARN The built-in preset has been disabled in Storybook 6.0.

@see https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#webpack-5

Resolves the following error:

  Error: NormalModuleFactory.beforeResolve (IgnorePlugin) is no longer a
  waterfall hook, but a bailing hook instead. Do not return the passed
  object, but modify it instead. Returning false will ignore the request
  and results in no module created.

but displays error in built website

@see https://storybook.js.org/docs/react/api/csf

* Ran `git ls-files | grep 'stories.js' | xargs -n1 -- npx --yes sb migrate storiesof-to-csf --glob`
* Normalized default stories exports
  * Added jsdoc comment for default exports
  * export default as object literal

* disable default export rule for stories
* enable react/prop-types validation warning

…rybook

Migrated leftover storiesOf stories with:
`npx @storybook/cli migrate storiesof-to-csf -g '**/(Radio|PublishModal).stories.js'`