title: Cakephp 3.x Crud plugin beforeFind event not available
body: <p>I have a Cakephp 3.x API using CRUD plugin.
  This is my crud configuration:</p>
  
  <pre><code>$this-&gt;loadComponent('Crud.Crud', [
              'actions' =&gt; [
                  'Crud.Index',
                  'Crud.View',
                  'Crud.Add',
                  'Crud.Edit',
                  'Crud.Delete'
              ],
              'listeners' =&gt; [
                  'Crud.Api',
                  'Crud.ApiPagination',
                  'Crud.ApiQueryLog'
              ]
          ]);
  </code></pre>
  
  <p>In my controller when I call this->Crud->implementedEvents() it returns beforeFilter startuperxot beforePaginate only</p>
  
  <pre><code>public function index(){
      $this-&gt;Crud-&gt;implementedEvents(); //returns beforeFilter startuperxot beforePaginate
      $this-&gt;Crud-&gt;on('beforeFind', function(\Cake\Event\Event $event) {
          if(isset($this-&gt;request-&gt;query['state'])){
              $event-&gt;getSubject()-&gt;query-&gt;where(['state =' =&gt; $this-&gt;request-&gt;query['state']]);
          }
      });
      return $this-&gt;Crud-&gt;execute();
  }
  </code></pre>
  
  <p>How can I enable beforeFind listener? Thanks in advance.</p>