Support for <!--more-->

[joachimesque]

Hey, thanks for this plugin!

I'd like to be able to specify when an excerpt should be cut. For example, the following text is chopped just after the start of a new paragraph:

With WordPress, Hugo or other CMS, I can add a <!--more--> tag which will cut off the escerpt before the limit is reached. Would it be possible to have this feature in Chopper?

Thanks!