message: docs(README): fix modifiers in example
diff: @@ -58,13 +58,14 @@ var pixelSize = 16;
  interact('.rainbow-pixel-canvas')
  .origin('self')
  .draggable({
  - modifiers: [{
  + modifiers: [
  + interact.modifiers.snap({
  // snap to the corners of a grid
  - type: 'snap',
  targets: [
  interact.snappers.grid({ x: pixelSize, y: pixelSize }),
  ],
  - }],
  + })
  + ],
  })
  // draw colored squares on move
  .on('dragmove', function (event) {
  