@catala-lang/rescript-catala 
A ReScript wrapper for the Catala runtime
Install
yarn add @catala-lang/rescript-catala
Local dev
# in this dir
yarn link
# in the project to use the lib
yarn link @catala-lang/rescript-catala
Somehow it doesn't work with catala-website, you need to publish a new patch to be able to use modification in this project.