feat: add native require(ESM) example

[JoshuaKGoldberg]

PR Checklist

• Addresses an existing open issue: fixes 🚀 Example: Native require(ESM) #106
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

Adds the straightforward example of require("chai").

[JoshuaKGoldberg]

We're going to need to some work on the build infrastructure to get Node.js-version-matrixed commands to only run the packages supported in that Node.js version. There are also other issues -#103, #105- to get through.