Change redirect to 19.04

source/index.html

@@ -19,7 +19,7 @@
         if (! ["en", "de", "fr", "ja", "nl"].includes(lang)) {
           lang = "en";
         }
-        window.location = "https://manual.mahara.org/" + lang + "/18.10/";
+        window.location = "https://manual.mahara.org/" + lang + "/19.04/";
       });
     </script>
   </body>