Publish storybook to github pages

[sonwit]

Beskrivelse

In the spirit of sharing, we want to publish our storybook to github pages. 🎅
setup from altinn-components
Or manal deploy from here

https://docs.github.com/en/pages/getting-started-with-github-pages/configuring-a-publishing-source-for-your-github-pages-site

To do's

Use github action to build and publish storybook to github pages