Examine source code of Brwsng QOL

{
  "name": "__MSG_appName__",
  "description": "__MSG_appDescription__",
  "version": "1.0.0",
  "short_name": "__MSG_appShortName__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "16": "images/icon-16.png",
    "128": "images/icon-128.png"
  },
  "permissions": [
    "storage",
    "notifications"
  ],
  "web_accessible_resources": [
    "images/*.png"
  ],
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_action": {
    "default_popup": "pages/popup.html",
    "default_title": "__MSG_appName__"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2908efcf-71a5-4b9d-8fcc-0935a7f9132f}"
    }
  }
}