A dummy card that is invisible, but has a height. It's most useful together with layout-card
For installation instructions see this guide.
The recommended type of this plugin is:
resources: url: /local/gap-card.js type: module
type: custom:gap-card height: <height> size: <size>
Optional. Default: 50
The height of the gap, in pixels.
The size of the card as seen by the layouting engine.