Added support for DOM cards.

lib/bundle.js

@@ -19,6 +19,7 @@ import {ResizeEvent, DOMScatterContainer, AbstractScatter, DOMScatter, ScatterEv
 import {Cycle, Colors, Elements, Angle, Dates, Points, Polygon, Rect, Sets, Strings, isEmpty, getId, lerp, debounce, randomInt, randomFloat, LowPassFilter} from './utils.js'
 import UITest from './uitest.js'
 
+import {CardWrapper} from './card/wrapper.js'
 /* Needed to ensure that rollup.js includes class definitions and the classes
 are visible inside doctests.
 */
@@ -81,3 +82,5 @@ window.lerp = lerp
 window.debounce = debounce
 window.randomInt = randomInt
 window.randomFloat = randomFloat
+
+window.CardWrapper = CardWrapper