add 'author' in jsdoc in main extension file

Atef Ben Ali · Atef Ben Ali · commit 3284c2050131 · 2017-11-02T07:17:43.000+01:00
diff --git a/background.js b/background.js
@@ -1,3 +1,6 @@
+/**
+ * @author Atef Ben Ali
+ */
 // Called when the user clicks on the browser action.
 chrome.browserAction.onClicked.addListener(function() {
   // No tabs or host permissions needed!
