Make footer banner clickable

[timonrey]

closes https://github.com/commercetools/commercetools-docs/issues/4427

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🦋 Changeset detected

Latest commit: fd4c1d6a8acce0ab776fbf5c336e26ba5a51ec72

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

This PR includes changesets to release 6 packages

| Name | Type | | ----------------------------------------------- | ----- | | @commercetools-docs/gatsby-theme-docs | Patch | | @commercetools-website/api-docs-smoke-test | Patch | | @commercetools-website/docs-smoke-test | Patch | | @commercetools-website/documentation | Patch | | @commercetools-website/self-learning-smoke-test | Patch | | @commercetools-website/site-template | Patch |

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🚚 Build Process Details

Preview URLs:

• https://docskit-tt-make-footer-logo-clickable.commercetools.vercel.app (permalink to the last build of this branch)
• https://docskit-sha-a819bddce4df8ae3844fe5d411140d8063dc94c2.commercetools.vercel.app (this commit)