title: Change admin password in Gitea
body: <p>I created an admin user with a password, that contains a special character. Installation of Gitea was successful, but I can't login. I can't get new password, because it says:</p>
  
  <blockquote>
    <p>Sorry, Register Mail Confirmation has been disabled.</p>
  </blockquote>
  
  <p>I tried command <code>gitea admin change-password</code>, but command is not recognized.</p>