Import Google Meet captions project and extension backups

tutorial/test-extension/background.js

@@ -0,0 +1,16 @@
+"use strict"
+
+function setBadgeText(enabled) {
+    const text = enabled ? "ON" : "OFF"
+    void chrome.action.setBadgeText({text: text})
+}
+
+function startUp() {
+    chrome.storage.sync.get("enabled", (data) => {
+        setBadgeText(!!data.enabled)
+    })
+}
+
+// Ensure the background script always runs.
+chrome.runtime.onStartup.addListener(startUp)
+chrome.runtime.onInstalled.addListener(startUp)