Examine source code of Novelupdates RSS reader

{
  "name": "Novelupdates",
  "description": "Minu Reading Listi RSS Feed",
  "icons": {
    "16": "favicon.ico",
    "48": "icon2.png",
    "96": "96.png",
    "128": "icon.png"
  },
  "version": "1.0.4resigned1",
  "permissions": [
    "activeTab",
    "tabs",
    "http://*/*",
    "https://*/*",
    "webNavigation",
    "storage",
    "notifications"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.mozilla.org/*"
      ],
      "js": [
        "background.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Novel Feed",
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{e3306270-12a2-4956-9724-dac3a4765f7c}"
    }
  }
}