Examine source code of FakesRadar.com

{
  "default_locale": "en",
  "name": "__MSG_name__",
  "short_name": "FakesRadar",
  "version": "1.0.1",
  "description": "__MSG_description__",
  "permissions": [
    "activeTab",
    "https://storage.googleapis.com/datacommons-feeds/claimreview/latest/data.json",
    "https://fakesradar.com/storage/custom.json",
    "https://fakesradar.com/storage/twitterBots.json",
    "https://fakesradar.com/storage/facebookBots.json",
    "https://fakesradar.com/storage/sources.json",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*",
        "*://*.twitter.com/*"
      ],
      "css": [
        "css/style.css"
      ],
      "js": [
        "js/facebook.js",
        "js/twitter.js",
        "js/render.js",
        "js/start.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "images/get_started16.png",
      "32": "images/get_started32.png",
      "48": "images/get_started48.png",
      "128": "images/get_started128.png"
    },
    "default_popup": "page/popup.html"
  },
  "icons": {
    "16": "images/get_started16.png",
    "32": "images/get_started32.png",
    "48": "images/get_started48.png",
    "128": "images/get_started128.png"
  },
  "manifest_version": 2,
  "web_accessible_resources": [
    "images/*",
    "fonts/*"
  ]
}