Add custom bulk action to Media Library WordPress

Add_custom_bulk_action_to_Media_Library.php

<?php

add_action('admin_footer', 'custom_bulk_admin_footer');

/**
 * Step 1: add the custom Bulk Action to the select menus
 */
function custom_bulk_admin_footer() {
	global $pagenow;

	if($pagenow == 'upload.php') {
		?>
		<script type="text/javascript">
			jQuery(document).ready(function() {
				jQuery('<option>').val('publish').text('<?php _e('Publish')?>').appendTo("select[name='action']");
				jQuery('<option>').val('publish').text('<?php _e('Publish')?>').appendTo("select[name='action2']");
			});
		</script>
		<?php
	}
}