Style engine: move backend scripts to package#39736

Merged

ramonjd merged 2 commits intotrunkfrom update/style-engine-backend-to-package

Apr 6, 2022

+71-11

Commits on Apr 5, 2022

Initial commit:
ramonjd
committed

Commits on Apr 6, 2022

Removing style engine from Gutenberg's phpunit suite since it's based in the package now.
ramonjd
committed