Examine source code of Bayanometr

{
  "manifest_version": 2,
  "name": "Bayanometr",
  "short_name": "Bayanometr",
  "description": "Поиск картинок на сайте joyreactor.cc \nТолько для тролей, лжецов и девственников",
  "author": "ExtraDJ",
  "version": "0.5.3",
  "homepage_url": "https://bayanometr.cc",
  "icons": {
    "48": "data/icons/icon48.png",
    "64": "data/icons/icon64.png",
    "96": "data/icons/icon96.png",
    "128": "data/icons/icon128.png"
  },
  "permissions": [
    "storage",
    "contextMenus",
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "data/js/script.js"
    ]
  },
  "options_ui": {
    "page": "data/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_end",
      "js": [
        "data/js/content.js"
      ],
      "css": [
        "data/css/content.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2de38ee2-7ea6-4151-9c0a-cf51048f0312}"
    }
  }
}