service worker

index.html

@@ -4518,6 +4518,17 @@ for (var k = 0; k < b0.split(" AND ").length; k++) {
                     deferredPrompt.prompt();
                 });
             });
+            if ('serviceWorker' in navigator) { // Register service worker for Chrome PWA
+                window.addEventListener('load', function() {
+                    navigator.serviceWorker.register('/sw.js').then(function(registration) {
+                        // Registration was successful
+                        console.log('ServiceWorker registration successful with scope: ', registration.scope);
+                        }, function(err) {
+                        // registration failed :(
+                        console.log('ServiceWorker registration failed: ', err);
+                    });
+                });
+            }
             shiftDown = 0;
             // If the user presses [ or -, decrease the mouse size by 2
             document.addEventListener("keydown", function(e) {

manifest.json

@@ -23,6 +23,11 @@
         "src": "icons/apple-touch-icon.png?v=2",
         "sizes": "180x180",
         "type": "image/png"
+    },
+    {
+        "src": "icons/apple-touch-icon-144x144.png?v=2",
+        "sizes": "144x144",
+        "type": "image/png"
     }
   ]
 }

sw.js

@@ -0,0 +1 @@
+self.addEventListener('fetch', function(event) {});