Automatically switch configuration examples to YAML in the traefic-docs

traefik-auto-yaml.user.js

// ==UserScript==
// @name     Traefik auto-yaml
// @version  1
// @grant    none
// @include https://docs.traefik.io/*
// ==/UserScript==

Array.from(document.getElementsByTagName("label")).forEach((elem) => {
  if (elem.innerHTML === "File (YAML)") {
    elem.click();
  }
});