trezor-suite/docs/packages/creating-packages.md

How to create new package?

1. Use yarn generate-package your-package-name - it will generate package boilerplate in packages/your-package-name.

How to use this new package?

1. Place this package to dependency field to package.json in package where you want to use it.
2. Run yarn refs to generate tsconfig refs.
3. Run yarn to let yarn symlink this package.