Shadow columns: rate and streak

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/lattice-grid.min.css">
<style>
  #grid > div { height: 460px; }
</style>
<div id="grid"></div>

<script type="module">
  import * as Vue from 'https://esm.sh/vue@3';
  import { createGrid } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/lattice-grid.esm.min.js';
  import createLatticeGrid from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.28.0/modules/vue.esm.min.js';

  const LatticeGrid = createLatticeGrid({ vue: Vue, createGrid });

  Vue.createApp({
    components: { LatticeGrid },
    data() {
      return {
        config: {
          rowKey: 'id',
          highlightOnChange: { duration: 500 },
          columns: [
            { field: 'symbol', title: 'Symbol', layout: { pin: 'start', width: 120 } },
            { field: 'price', title: 'Price', type: 'number' },
            { id: 'rate',  title: 'Per second', shadow: { of: 'price', kind: 'rate' }, type: 'number', format: { signed: true } },
            { id: 'since', title: 'Since move', shadow: { of: 'price', kind: 'sinceUpdate' }, type: 'duration' },
            { id: 'hist',  title: 'Recent',     shadow: { of: 'price', kind: 'history' }, cell: { render: 'line' } },
          ],
          rows,  // one symbol per row
        },
      };
    },
    template: '<lattice-grid v-bind="config" />',
  }).mount('#grid');
</script>