feat(pie-docs): DSW-2616 add the code section of the thumbnail component

[raoufswe]

Describe your changes (can list changeset entries if preferable)

Author Checklist (complete before requesting a review)

• I have performed a self-review of my code
• I have added thorough tests where applicable (unit / component / visual)
• I have reviewed the Docs site preview
• If there are visual test updates, I have reviewed them properly before approving

Reviewer checklists (complete before approving)

Reviewer 1 – @ashleynolan

• I have reviewed the Docs site preview
• If new links have been added, I have tested them in the preview
• If there are visual test updates, I have reviewed them

Reviewer 2 - @fernandofranca

• I have reviewed the Docs site preview
• If new links have been added, I have tested them in the preview
• If there are visual test updates, I have reviewed them

[changeset-bot]

🦋 Changeset detected

Latest commit: a895714

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 9 packages

Name	Type
@justeattakeaway/pie-thumbnail	Patch
pie-docs	Minor
pie-storybook	Patch
@justeattakeaway/pie-webc	Patch
wc-angular12	Patch
wc-nuxt2	Patch
wc-react17	Patch
wc-react18	Patch
wc-vue3	Patch

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The base branch was changed.