eliminate code warnings

Author: stefanseifert

index.html

@@ -12,7 +12,7 @@
     <link rel="mask-icon" href="/img/icons/maskable-icon-512x512.png" color="#fff">
     <!-- Matomo Tracking: Cookie-less and GDPR-conformant -->
     <script>
-      var _paq = window._paq = window._paq || [];
+      var _paq = globalThis._paq = globalThis._paq || [];
       (function() {
         var u="//matomo.brdgm.me/";
         _paq.push(['setTrackerUrl', u+'matomo.php']);