Merged in feat/SW-3636-storybook-structure (pull request #3309)

feat(SW-3636): Storybook structure

* New sections in Storybook sidebar

* Group Storybook content files and add token files for spacing, border radius and shadows


Approved-by: Joakim Jäderberg

packages/design-system/lib/components/JsonToHtml/JsonToHtml.stories.tsx

@@ -5,7 +5,7 @@ import { RTETypeEnum } from './types/rte/enums'
 import { RTEImageVaultNode, RTENode } from './types/rte/node'
 
 const meta: Meta<typeof JsonToHtml> = {
-  title: 'Components/JsonToHtml',
+  title: 'Core Components/JsonToHtml',
   component: JsonToHtml,
 }