Function insertText

Public API for the html namespace

insertText(filePath: string, options: InsertBeforeFirstOptions): Promise<void>
Add a string of HTML to an HTML document.
Parameters
- filePath: string
- options: InsertBeforeFirstOptions
Returns Promise<void>
Example
the before option is to insert HTML before the first tag specified -- link in this case.
```
import { html } from 'ember-apply';

await html.insertText('app/index.html', {
  text: `<link integrity="" rel="stylesheet" href="{{rootURL}}assets/tailwind.css">`,
  beforeFirst: 'link',
});
```
- Defined in html/transform.js:77