update emaps note

Author: fershad

src/docs/grid-aware-websites/tutorials/grid-aware-tutorial-cloudflare-workers.md

@@ -32,7 +32,14 @@ You should have:
 
 You should also be aware of the limits and pricing of Cloudflare Workers, available on the [Cloudflare website](https://developers.cloudflare.com/workers/platform/).
 
-{% include 'partials/gaw-emaps-note.njk' %}
+<aside class="alert alert-info text-base-content">
+    <p>
+        <strong>Note:</strong>
+        This plugin currently uses the <a href="https://portal.electricitymaps.com/developer-hub/api/reference#latest-carbon-intensity-level">Electricity Maps Level API</a> as the source of grid intensity data. This API is currently only available under a paid plan, but we are in conversation with Electricity Maps on ways to make this data available in some kind of free version. You can
+        track the progress of this issue on
+        <a href="https://github.com/thegreenwebfoundation/grid-aware-websites/issues/21">GitHub</a>.
+    </p>
+</aside>
 
 <aside class="alert alert-info text-base-content">
 <p>For the purposes of this tutorial, we will demonstrate deploying a Cloudflare Worker to run on our own Green Web Foundation ___domain (`thegreenwebfoundation.org`). <strong>When following along with this tutorial, you should use your own ___domain</strong>.</p>