Examine source code of #be browser detector

{
  "author": "#be",
  "name": "#be browser detector",
  "description": "Introducing #be, the digital me.",
  "version": "1.1resigned1",
  "manifest_version": 2,
  "default_locale": "en",
  "applications": {
    "gecko": {
      "id": "be-browser-detector@hashtag.be",
      "strict_min_version": "45.0",
      "strict_max_version": "50.*"
    }
  },
  "background": {
    "page": "background.html"
  },
  "options_ui": {
    "page": "options.html"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "images/Icon-128.png",
    "default_title": "click to see some content."
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_globs": [
        "https://www.google.com/_/chrome/newtab",
        "https://www.facebook.com/login.php?*oauth*",
        "https://api.twitter.com/*",
        "https://www.linkedin.com/uas/oauth2/authorization*",
        "https://beta.hashtag.be/*",
        "https://staging.hashtag.be/*",
        "https://network.hashtag.be/*",
        "http://localhost/*"
      ],
      "js": [
        "js_lib/extension_utilities.js",
        "js_lib/comms_page.js",
        "js_lib/browser_type.js",
        "js_lib/domain.js",
        "js/bag_of_words.js",
        "js/xpath_extractor.js",
        "js/xpath_extractor_settings.js",
        "js/detector.js",
        "js/detector_initialize.js"
      ],
      "css": [
        "css/infodiv.css"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "128": "images/Icon-128.png"
  },
  "offline_enabled": false,
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": "script-src 'self' https://beta.hashtag.be https://staging.hashtag.be https://network.hashtag.be; object-src 'self'",
  "web_accessible_resources": [
    "js/*",
    "js_lib/*",
    "css/*",
    "fonts/*",
    "images/*"
  ]
}