add plausible (#22)

Author: steveberardi

docs/custom/main.html

@@ -0,0 +1,5 @@
+{% extends "base.html" %}
+
+{% block extrahead %}
+<script defer data-domain="starplot.dev" src="https://plausible.io/js/script.js"></script>
+{% endblock %}

mkdocs.yml

@@ -16,6 +16,7 @@ nav:
 
 theme:
   name: material
+  custom_dir: docs/custom/
   palette:
     # toggle for light mode
     - scheme: default
@@ -39,6 +40,9 @@ theme:
 extra_css:
   - stylesheets/extra.css
 
+exclude_docs: |
+  custom/
+
 plugins:
   - search
   - mkdocstrings: