Examine source code of Cognie

{
  "name": "Cognie",
  "short_name": "Cognie",
  "version": "1.0.1",
  "manifest_version": 2,
  "description": "One place to manage your life's knowledge",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": {
      "19": "icon-19.png",
      "38": "icon-38.png"
    },
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "css": [
        "css/style.css"
      ],
      "js": [
        "js/page.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*",
        "file://*/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "js/content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*",
        "file://*/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "js/isLoad.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*",
        "file://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "default_locale": "en",
  "homepage_url": "https://cognie.co",
  "permissions": [
    "activeTab",
    "tabs",
    "cookies",
    "<all_urls>",
    "http://*/",
    "https://*/",
    "http://*.cognie.co/",
    "https://*.cognie.co/"
  ],
  "web_accessible_resources": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0c6444e1-dc7b-499c-b4f8-dae57465b479}"
    }
  }
}