full dialog build + script fix

docs/dialogs.stories.js

@@ -0,0 +1,16 @@
+import { storiesOf } from '@storybook/html'; // eslint-disable-line import/no-extraneous-dependencies
+import { // eslint-disable-line import/no-extraneous-dependencies
+  withKnobs, boolean,
+} from '@storybook/addon-knobs';
+
+const stories = storiesOf('Dialogs', module);
+stories.addDecorator(withKnobs);
+
+stories.add('dialog', () => {
+  const open = boolean('open', true) ? 'open' : '';
+
+  return `<dialog ${open}>
+      <p class="title">Dialog</p>
+      <p>Alert: this is a dialog.</p>
+  </div>`;
+});