Examine source code of B.S. Detector

{
  "name": "B.S. Detector",
  "version": "0.2.9resigned1",
  "manifest_version": 2,
  "default_locale": "en",
  "description": "Warns users about unreliable news sources.",
  "homepage_url": "https://github.com/selfagency/bs-detector",
  "permissions": [
    "*://unshorten.me/*",
    "webRequest",
    "webNavigation"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "js/utils.js",
      "js/background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "css": [
        "css/bs-detector.css"
      ],
      "js": [
        "js/utils.js",
        "js/lib/jquery-3.1.1.slim.min.js",
        "js/lib/mutation-summary.js",
        "js/lib/jquery.mutation-summary.js",
        "js/bs-detector.js"
      ],
      "matches": [
        "*://*/*"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "data/data.json"
  ],
  "page_action": {
    "default_title": "B.S. Detector"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a685065d-4f22-423a-ba57-76022aed8144}"
    }
  }
}