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/Button/Button.stories.tsx

@@ -8,7 +8,7 @@ import { Button } from './Button'
 import { config as buttonConfig } from './variants'
 
 const meta: Meta<typeof Button> = {
-  title: 'Components/Button',
+  title: 'Core Components/Button',
   component: Button,
   argTypes: {
     onPress: {