add canonical for individual pages. unfortunately we cannot link to correct page

src/templates/page.twig

@@ -9,6 +9,8 @@
     {% if currentPage != numPages %}
         <link rel="next" href="{{ path_for('page', [], { 'page': nextPage }) }}"/>
     {% endif %}
+
+    <link rel="canonical" href="https://github.com/matomo-org/matomo/issues/" />
 {% endblock %}
 
 {% block content %}