Examine source code of Wikipedia-PL

{
  "manifest_version": 3,
  "name": "Wikipedia-PL",
  "description": "Find what you need on the polish version of Wikipedia.",
  "version": "1.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "firefox-webextension-search-engine-wikipedia-pl@smykla.com",
      "strict_min_version": "55.0"
    }
  },
  "icons": {
    "32": "/static/icon-32.png",
    "64": "/static/icon-64.png",
    "128": "/static/icon-128.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Wikipedia PL",
      "search_url": "https://pl.wikipedia.org/w/index.php?title=Special:Search&search={searchTerms}",
      "keyword": "wpl",
      "favicon_url": "/static/wikipedia.ico",
      "is_default": false,
      "encoding": "UTF-8"
    }
  }
}