Add matomo code.

- Partially resolves https://redmine.library.yorku.ca/issues/4463

Author: ruebot

overrides/partials/integrations/analytics/matomo.html

@@ -0,0 +1,15 @@
+<!-- Matomo -->
+<script>
+  var _paq = window._paq = window._paq || [];
+  /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+  _paq.push(['trackPageView']);
+  _paq.push(['enableLinkTracking']);
+  (function() {
+    var u="https://matomo.library.yorku.ca/";
+    _paq.push(['setTrackerUrl', u+'matomo.php']);
+    _paq.push(['setSiteId', '91']);
+    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+    g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+  })();
+</script>
+<!-- End Matomo Code -->

zensical.toml

@@ -122,7 +122,7 @@ extra_css = ["stylesheets/extra.css"]
 # Read more:
 # - https://zensical.org/docs/customization/#extending-the-theme
 #
-#custom_dir = "overrides"
+custom_dir = "overrides"
 
 # With the "favicon" option you can set your own image to use as the icon
 # browsers will use in the browser title bar or tab bar. The path provided
@@ -393,3 +393,8 @@ combine_header_slug = true
 [project.markdown_extensions.pymdownx.tasklist]
 custom_checkbox = true
 [project.markdown_extensions.pymdownx.tilde]
+
+[project.extra.analytics]
+provider = "matomo"
+property = "91"
+url_base = "https://matomo.library.yorku.ca"