Migrate "kobweb export" to skrape.it

[bitspittle]

Context: https://github.com/varabyte/kobweb/issues/99#issuecomment-1073292460

Basically, the first pass of this bug is to experiment seeing if we can replace the logic in the Gradle plugin around kobweb export to not use Chrome directly but instead use https://docs.skrape.it/docs/

This would definitely be worth it if...

• this removed a hard dependency on requiring Chrome be installed on a user's system to export
• this doesn't balloon the side of the Kobweb Gradle plugin too extraordinarily

[bitspittle]

At this point, we're using playwright for export, which is a much more robust approach that obsoletes this feature request