title: How to setup format of datetime picker in easyadminbundle?
body: <p>How can I change the default format used by the datetime picker of easyadminbundle?</p>
  
  <p>I understand I must change something in <code>config.yml</code> in type_options of field property. Or setup some different datetime format. But how or where?</p>
  
  <p><a href="https://i.stack.imgur.com/MPAwd.png" rel="noreferrer"><img src="https://i.stack.imgur.com/MPAwd.png" alt="enter image description here"></a></p>