Add support for data:image

Like custom url it would be cool to add data:image

You can generate some with https://aloisdegouvello.gitlab.io/paste64/

data:image/...
```
data:image/png;base64,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
```

Change `if (isUrl(card.name)) {` with `if (isCustom(card.name))` where isCustom is `const isCustom = cardName => isUrl(cardName) || cardName.startsWith("data:image/")) etc.