Run different npm scripts in a CI environment

> Similar to the standard [`jest-environment-jsdom`](https://github.com/facebook/jest/tree/main/packages/jest-environment-jsdom), but exposes `jsdom` so that you can reconfigure it from your test suites.

> Jest v26 ships with JSDOM@16, so no reason to use this package

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository

Lightweight npm postinstall message to invite people to donate to your collective