Examine source code of Timoment Time Tracker

{
  "name": "Timoment",
  "description": "Track your time spent on tasks from Project Managers, CRM and others apps",
  "version": "1.0.1",
  "manifest_version": 2,
  "icons": {
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "browser-polyfill.js",
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "timoment@timoment.com"
    }
  },
  "browser_action": {
    "default_title": "Timoment",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "background.js"
    ]
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzG4sj/eNmTVMd9yDhr0UCmZF8s1tq4zpnitBK94t1nTGQbLOAI0w6vERz5SeDkzgGrUloWuewPtTLd0vZXzmeVc8ysVW94EyLZf1RJBVJXKpQHiIHlFcSVKCYDtPqPrKtQ/ZiLYJN+FLm3cL7vZYL7jDla7+pKaTlN+LJYsXnCAz7KVKZ6Ts3+HiqL/W+jImkqkaKnDw4lI2gybcQBflpkYJbE/iAAiq5FXIfJL0WCSs6OXEXJ7PYDC1jKXO6RPYtHNbsmxcBtoo8LuFWNfQlGbW+pvE1c5QpfzKHoCRSNQsoI29ws0iCUlJqVfQLSkR+8/gdwGZdUNcrWPcaiQmuQIDAQAB",
  "id": "nfoaphpdmeoophhiepjigmdpighmcnnh",
  "optional_permissions": [
    "*://*/"
  ],
  "options_ui": {
    "chrome_style": true,
    "open_in_tab": true,
    "page": "settings/settings.html"
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "tabs",
    "storage",
    "nativeMessaging",
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    "*://planbox.com/*",
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    "*://jetbrains.com/youtrack/*",
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    "*://zube.io/*",
    "*://*.odoo.com/*"
  ],
  "content_security_policy": "script-src 'self' https://*.atatus.com https://www.google-analytics.com; object-src 'self'"
}