const [script: HTMLScriptElement, remove: () => void] = createScriptLoader({
  url: string | Accessor<string>,
  type?: string,
  onload?: () => void,
  onerror?: () => void
});

// For example, to use recaptcha:
createScriptLoader({
  url: 'https://www.google.com/recaptcha/enterprise.js?render=my_token'
  onload: async () => {
    await grecaptcha.enterprise.ready();
    const token = await grecaptcha.enterprise.execute('my_token', {action: 'login'});
    // do your stuff...
  }
});