Support rel="nofollow" and target="_blank" for a tag

[tuantmtb]

Could you support insert link mode rel="nofollow"; target="_blank" ?
Example:

<a href="https://google.com" rel="nofollow" target="_blank">Google Search</a>

Thank you !

[Grendaizo90]

I found a very useful extension
It would be great if you will support same functionality