Merge pull request #60 from aws4embeddedlinux/2023-11-23_add_note_about_node

README.md: add note about node versions

Author: tro

README.md

@@ -9,6 +9,12 @@ This [cdk](https://github.com/aws/aws-cdk) IaC library helps you to deploy AWS c
 [API documentation](https://aws4embeddedlinux.github.io/aws4embeddedlinux-ci/) generated by `npm run doc`
 
 # Setting Up
+In order to use this library, you must set up the [CDK](https://docs.aws.amazon.com/cdk/v2/guide/getting_started.html), including
+installing the CDK tool and bootstrapping the account you wish to deploy to. Additionally, you must have [Node](https://nodejs.org/en/) installed.
+
+> [!NOTE]
+> This library is tested against Node Versions 16, 18, and 20. If these versions are not available for your system, we recommend
+> using [NVM](https://github.com/nvm-sh/nvm) to install a compatible version
 
 ## Quickstart
 Use the [examples](https://github.com/aws4embeddedlinux/aws4embeddedlinux-ci-examples) in our examples repo.