Examine source code of Article Nicker

{
  "manifest_version": 2,
  "name": "Article Nicker",
  "version": "1.0",
  "description": "Allows users to get any news article for free",
  "icons": {
    "48": "icons/logo.png"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "https://archive.is/*"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icons/logo.png"
    },
    "default_title": "Click to retrieve article"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{588c862a-823f-42c6-b9dc-bd60180223a3}"
    }
  }
}