Hardcode base url in two places

Author: microbit-robert

src/simulator.ts

@@ -18,14 +18,17 @@ declare global {
 function initServiceWorker() {
   if ("serviceWorker" in navigator) {
     window.addEventListener("load", () => {
-      navigator.serviceWorker.register("/sw.js", { scope: "/" }).then(
-        function (_registration) {
-          console.log("Simulator ServiceWorker registration successful");
-        },
-        function (err) {
-          console.log("Simulator ServiceWorker registration failed: ", err);
-        }
-      );
+      navigator.serviceWorker
+        // TODO: base url is required here. Hardcode for testing purposes.
+        .register("service-worker/sw.js", { scope: "/service-worker/" })
+        .then(
+          function (_registration) {
+            console.log("Simulator ServiceWorker registration successful");
+          },
+          function (err) {
+            console.log("Simulator ServiceWorker registration failed: ", err);
+          }
+        );
     });
   }
 }