Add Chromium implementation note for loading script (#7902)
Add Chromium implementation note for loading script (#7902)

Adds an implementation note warning developers about module script loading (`<script type="module">`) for XHTML documents in Chromium-based browsers.

There is a Chromium bug report about this, revealing that ESM loading is not supposed to work at all in XHTML, but it also reveals that a workaround was found and that the `nomodule` attribute does not help for feature detecting this in XHTML.
https://crbug.com/717643

Closes https://github.com/mdn/browser-compat-data/issues/7886
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data