update site with archive notice

site/overrides/main.html

@@ -0,0 +1,17 @@
+{% extends "base.html" %}
+
+<!-- Announcement bar -->
+{% block announce %}
+
+<div class="admonition danger" style="min-height: 20vh;">
+  <p class="admonition-title">This project is now archived!</p>
+  <p>
+    Please
+    <a href="/blog/2024/05/12/simple-bot-end-of-life/"
+      >click here for more information.</a
+    >
+  </p>
+</div>
+<div class="" admoniton></div>
+
+{% endblock %}