tiny fixes

src/main.ts

@@ -480,3 +480,14 @@ export class Editor {
 
 let app = new Editor();
 installWindowBehaviors(app, window, false);
+if ("serviceWorker" in navigator) {
+  window.addEventListener("load", function() {
+    navigator.serviceWorker
+      .register("./generate-sw.js")
+      // @ts-ignore
+      .then(res => console.log("Service worker registered"))
+      .catch(err => console.log("Service worker not registered: ", err))
+
+  })
+}
+