add dashboard.xpi for directplugin installation

background.js

@@ -1,5 +1,8 @@
 "use strict";
 
+//Simple background script that seds a message to content script
+// code mainly from: https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/tabs/sendMessage
+
 function onError(error) {
   console.error(`Error: ${error}`);
 }
@@ -8,7 +11,7 @@ function sendMessageToTabs(tabs) {
   for (let tab of tabs) {
     browser.tabs.sendMessage(
       tab.id,
-      {overlay: "display"}
+      {trigger: "extension click"}
     ).then(response => {
     }).catch(onError);
   }