site: end-of-review "Discuss it here" CTA linking the Stoop space

src/pages/reviews/[...slug].astro

@@ -2,6 +2,7 @@
 import { getCollection, render } from 'astro:content';
 import BaseLayout from '../../layouts/BaseLayout.astro';
 import EditAction from '../../components/EditAction.astro';
+import DiscussCta from '../../components/DiscussCta.astro';
 import { sourceSlug } from '../../lib/sources';
 import {
   resolveExternalLink,
@@ -131,6 +132,8 @@ const categoryLabel =
       <p class="aff-disclosure">{AFFILIATE_DISCLOSURE}</p>
     )}
 
+    <DiscussCta />
+
     {import.meta.env.DEV && (
       <div class="edit-toolbar">
         <EditAction