message: README: use modifiers array in example
diff: @@ -46,11 +46,13 @@ var pixelSize = 16;
  interact('.rainbow-pixel-canvas')
  .origin('self')
  .draggable({
  - snap: {
  - targets: [ interact.createSnapGrid({
  + modifiers: [
  + interact.modifiers.snap({
  + targets: [ interact.snappers.grid({
  x: pixelSize, y: pixelSize
  - }) ]
  - },
  + }) ],
  + }),
  + ],
  // allow multiple drags on the same element
  maxPerElement: Infinity
  })
  