Examine source code of BikePost Ignore

{
  "manifest_version": 2,
  "name": "BikePost Ignore",
  "description": "Вы можете добавить в список людей, чье присутствие на сайте вы хотели бы не замечать никогда.",
  "author": "Dmitry Demenchuk (@mrded)",
  "version": "0.6",
  "icons": {
    "128": "icons/128.png"
  },
  "browser_action": {
    "default_title": "BikePost Ignore",
    "default_popup": "settings/settings.html"
  },
  "content_scripts": [
    {
      "js": [
        "content/jquery.js",
        "content/content.js"
      ],
      "matches": [
        "https://bikepost.ru/*"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d228fd1-5cea-4374-a522-281aa9810c4f}"
    }
  }
}