Examine source code of Ruwiki Redirect

{
  "manifest_version": 2,
  "name": "Ruwiki Redirect",
  "version": "1.0",
  "description": "Заменяет ссылки на Википедию ссылками на Рувики",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "permissions": [
    "<all_urls>",
    "declarativeNetRequest"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruwiki_redirect",
        "enabled": true,
        "path": "rules.json"
      }
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d85bab8-dbfb-422c-a8d4-650b5beb5d25}"
    }
  }
}