Examine source code of GiveBack.ie

{
  "manifest_version": 2,
  "name": "GiveBack.ie",
  "version": "1.0.21",
  "background": {
    "page": "resources/views/background.html",
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "19": "resources/img/icon19.png",
      "38": "resources/img/icon38.png"
    },
    "default_popup": "resources/views/competition.html",
    "default_title": "GiveBack.ie"
  },
  "description": "Ending Homelessness Together",
  "icons": {
    "16": "resources/img/icon16.png",
    "48": "resources/img/icon48.png",
    "128": "resources/img/icon128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1bNDzKR8gJji0FWF5bmOSB5xScyx+3hEZDe++tPnH5rDsmDl/bX2SpzP2heUsr/HZJtebb5DItnq77odgwlYBTXHx7lqh9E5Y/NOLZKP9Ygf96E72GdchfUiSZEzFlluiAfX+zUHJOg17SZuRYuWkGz6s7qJoTJt2iVRm0YlLwArL27yI78QuV34LiDBfR1UpO3tW8j8kJ1la8/gFWR2m4K2JmNFJDph3miUa9aNlI67G6dSKzu/LA7CvxcgWsD9vmPhbicw0zx7GkB60huk2Kw+ZkZJnOrPoHtbpWTpMAPKWTYsaP4m3zTEK+9PXvUONmXvgMPDSYKYvLUJu3UqiQIDAQAB",
  "permissions": [
    "https://drive.google.com/*",
    "https://www.gstatic.com/firebasejs/5.3.0/firebase.js",
    "tabs",
    "storage",
    "webRequest",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "https://giveback.me/update.js"
  ]
}