<link href="https://unpkg.com/grapesjs/dist/css/grapes.min.css" rel="stylesheet"/>
<script src="https://unpkg.com/grapesjs"></script>
<script src="path/to/grapesjs-blocks-basic.min.js"></script>

<div id="gjs"></div>

<script type="text/javascript">
  var editor = grapesjs.init({
      fromElement: 1,
      container : '#gjs',
      plugins: ['gjs-blocks-basic'],
      pluginsOpts: {
        'gjs-blocks-basic': {/* ...options */}
      }
  });
</script>

$ git clone https://github.com/artf/grapesjs-blocks-basic.git
$ cd grapesjs-blocks-basic

$ npm i

$ npm i grapesjs --no-save

$ npm start