## Description
Unify the note format according to the [contribution
guide](https://nextjs.org/docs/community/contribution-guide#notes).
In addition, add missing bullet points to useful links.
### Improving Documentation
- [x] Run `pnpm prettier-fix` to fix formatting issues before opening
the PR.
- [x] Read the Docs Contribution Guide to ensure your contribution
follows the docs guidelines:
https://nextjs.org/docs/community/contribution-guide
---------
Co-authored-by: Delba de Oliveira <[email protected]>
Previously, this warning message assumed the user knew what `yarn` was and had it installed.
This PR changes the warning message to assume the user knows what `npm` is and has it installed, since `npm` ships with the official `node` installation.