Alter startup styles

Change the styles during instantiation.

import canvasDatagrid from 'canvas-datagrid';
import data from '/data.json';

const app = document.getElementById('app');
const gridElement = document.createElement('div');
const grid = canvasDatagrid({
  parentNode: gridElement,
  data,
  style: {
    cellBackgroundColor: 'navy',
    cellColor: 'wheat',
  },
});

app.append(gridElement);