Extension cards in the store could show a link to the extension website

[rafaellehmkuhl]

The data is already available in the manifest file.

This makes it easier for the user to read more about the extension.

[github-actions]

Yo, this issue might be related to:

• Internal links in the extension description (store page) do not work #3833: same area (extension store UI) - about fixing internal links in extension descriptions
• Big images in the extension description are overflowing the page size #3832: same area (extension store UI) - about fixing image display issues in extensions
• core: frontend: All external links should open in new tab #1215: related linking behavior - external links should open in new tabs (would apply to the website links you're proposing)