Examine source code of note site Search Engine

{
  "manifest_version": 2,
  "version": "1.0.0",
  "default_locale": "en",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "48": "img/48.png",
    "64": "img/64.png",
    "128": "img/128.png",
    "256": "img/256.png",
    "512": "img/512.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "note検索",
      "search_url": "https://note.com/search?q={searchTerms}&context=note&mode=search",
      "favicon_url": "https://note.com/favicon.ico",
      "keyword": "note",
      "is_default": false,
      "encoding": "UTF-8"
    }
  },
  "permissions": [
    "search"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{18ad7b1e-9514-4388-86bb-391a1e7c516d}"
    }
  }
}