You can read the full blog post on this project here.
$ git clone git@github.com:ZaneH-blog/evergreen-next-library.git
$ cd evergreen-next-library/shared-ui
$ npm i
$ npm link # link @my-org/my-custom-ui
$ cd evergreen-next-library/next-app
$ npm i
$ npm link @my-org/my-custom-ui # link @my-org/my-custom-ui
$ npm run dev