chore: add engines to package files to restrict node version

[iamtheozzy]

Description:

Maintance:

• upgrading lerna major version
• Adding a clean script to packages for easier debugging

[iamtheozzy]

I'm unaware of the context around this, but the code looks good/consistent 👍🏻

Sorry! This is a draft and I forgot to mark it as such! I appreciate the review though!