[IMP] odoo_theme: allow to add plausible script

export PLAUSIBLE_SCRIPT=https://plausible.io/js/script.js
export PLAUSIBLE_DOMAIN=yourdomain.com

closes odoo/documentation#1955

X-original-commit: 4c526eb02f
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>
Signed-off-by: Jérémy Kersten <jke@odoo.com>

extensions/odoo_theme/layout.html

@@ -29,6 +29,9 @@
         {%- endfor %}
     {%- endif %}
     {{ super() }} {# Load the scripts specified in the extensions/themes #}
+    {%- if plausible_script -%}
+        <script defer="defer" src="{{ plausible_script }}" data-domain="{{ plausible_domain }}"></script>
+    {%- endif -%}
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta2/dist/js/bootstrap.bundle.min.js"
         integrity="sha384-b5kHyXgcpbZJO/tY9Ul7kGkf1S0CWuKcCD38l8YkeH8z8QjE0GmW1gYU5S9FOnJ0"
         crossorigin="anonymous"></script>