Enable Caching

How to enable:

1. Open @app/config/main.php file into code editor.
2. Add the following lines to enable caching:

return [
	// ...
	'cdn' => [
		// ...
        'enableCaching' => true,
		'cacheKey' => '...', // Place your unique cache key here
        // ...
	],
    // ...
];

How to clear:

// It will clear the cache and rebuild the list.
\Yii::$app()->cdn->refresh();