Add analytics script to main.html

Add Anonymous Rybbit Analytics script to main.html

overrides/main.html

@@ -0,0 +1,6 @@
+{% extends "base.html" %}
+
+{% block extrahead %}
+  {{ super() }}
+  <script src="https://analytics.beammp.com/api/script.js" async data-site-id="632c87f003fc"></script>
+{% endblock %}