title: CakePhp3-ChartJs helper loading error
body: <p>ChartJs pluing form github and loaded using plugin  statement in bootstrap Plugin::load('ChartJs', ['bootstrap' => false, 'routes' => false]); and i tried to load this plugin's helper in appview  src\View\AppView.php like this </p>
  
  <pre><code>public function initialize()
      {
          parent::initialize();
          $this-&gt;loadHelper('Html');
          $this-&gt;loadHelper('ChartJs.Chartjs');
      }
  </code></pre>
  
  <p>and pls find the image to know the plugin file structure
  <a href="https://i.stack.imgur.com/JS9rx.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JS9rx.png" alt="pic one "></a>
  but is show error like ths when i load other pages </p>
  
  <pre><code>Fatal error: [Cake\View\Exception\MissingHelperException] Helper class hartjsHelper could not be found. #0 C:\xampp\htdocs\dashboard\dboard\vendor\cakephp\cakephp\src\Core\ObjectRegistry.php(91): Cake\View\HelperRegistry-&gt;_throwMissingClassError('Chartjs', 'ChartJs') #1 C:\xampp\htdocs\dashboard\dboard\vendor\cakephp\cakephp\src\View\View.php(1002): Cake\Core\ObjectRegistry-&gt;load('ChartJs.Chartjs', Array) #2 C:\xampp\htdocs\dashboard\dboard\src\View\AppView.php(44): Cake\View\View-&gt;loadHelper('ChartJs.Chartjs') #3 C:\xampp\htdocs\dashboard\dboard\vendor\cakephp\cakephp\src\View\View.php(336): App\View\AppView-&gt;initialize() #4 C:\xampp\htdocs\dashboard\dboard\vendor\cakephp\cakephp\src\View\ViewBuilder.php(350): Cake\View\View-&gt;__construct(Object(Cake\Network\Request), Object(Cake\Network\Response), Object(Cake\Event\EventManager), Array) #5 C:\xampp\htdocs\dashboard\dboard\vendor\cakephp\cakephp\src\View\ViewVarsTrait.php(119): Cake\View\ViewBuilder-&gt;build(Array, Object(Cake\Network\Request), Object(Cake\Network\Response in C:\xampp\htdocs\dashboard\dboard\vendor\cakephp\cakephp\src\Error\ErrorHandler.php on line 156
  </code></pre>
  
  <p>guys pls help me to sort out ths issue and pls help me how to load helper on fly </p>