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/Payment/PaymentMethodIcon.stories.tsx

@@ -8,7 +8,7 @@ import { expect } from 'storybook/test'
 const methods = Object.values(PaymentMethodEnum).toSorted()
 
 const meta: Meta<typeof PaymentMethodIcon> = {
-  title: 'Components/Payment/PaymentMethodIcon',
+  title: 'Product Components/Payment/PaymentMethodIcon',
   component: PaymentMethodIcon,
   parameters: {
     layout: 'centered',