Problem: fractalide docs contain ${
Problem: fractalide docs contain ${

Styx tries to escape it as `''${`, but this in turn can run into
single quotes preceding the `$`, and we have a prematurely terminated
string again.

Solution: Bump to fractalide/fractalide#156 .

The `$` in any `${` has been escaped as an HTML entity.

fractalide/fractalide-website-styx,fractalide/fractalide-website-styx,fractalide/fractalide-website-styx