[WIP] Investigate and fix display issue for cardcraft skill

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

Original prompt

the skill with the id "cardcraft-flashcards-generator" isn't displaying, even though it is in the JSON and the HTML.

I suspect it's because the javascript code doesn't handle missing fields gracefully (the license field isn't available in this and other skills, for example). Or maybe it's something else.

Investigate and fix.

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[intellectronica]

@copilot Looks like you got stuck. You don't need to read the entire skills.json to debug this. it's just a generated file that isn't even being used.