feat: enable DoNotTrack with Umami analytics

layouts/_default/baseof.html

@@ -67,7 +67,9 @@
     <!-- Umami -->
     <script async
             src="https://umami.phundrak.com/script.js"
-            data-website-id="ded52f14-40e3-43b9-a680-704f16e02838">
+            data-website-id="ded52f14-40e3-43b9-a680-704f16e02838"
+            data-do-not-track="true"
+    >
     </script>
     <!-- End of Umami code -->