Examine source code of Nodium

{
  "name": "Nodium",
  "description": "An extension for bypassing Medium paywall",
  "version": "2.3",
  "permissions": [
    "activeTab",
    "storage",
    "cookies",
    "scripting",
    "webNavigation",
    "https://*/*",
    "http://*/*"
  ],
  "browser_action": {
    "default_title": "Nodium - An extension for bypassing Medium paywall"
  },
  "icons": {
    "128": "logo.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "detector.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "nodium@vigov5.me"
    }
  },
  "manifest_version": 2
}