initial commit of browser extension

browser-extension/service-worker.js

@@ -0,0 +1,11 @@
+// Allows users to open the side panel by clicking on the action toolbar icon
+chrome.sidePanel
+  .setPanelBehavior({ openPanelOnActionClick: true })
+  .catch((error) => console.error(error));
+
+chrome.action.onClicked.addListener(() => {
+  chrome.tabs.create({
+    url: 'mainpage.html'
+  });
+  console.log('Opened a tab with a sandboxed page!');
+});