feature(readme): readme

README.md

@@ -42,7 +42,7 @@ require_once('/path/to/wp-desk/wp-notice/init.php');
 
 ## Getting Started
 
-Simple usage looks like:
+###Simple usage looks like
 
 ```php
 $notice = wpdesk_wp_notice('Notice text goes here');
@@ -61,8 +61,24 @@ Notice must be used before WordPress action `admin_notices`. WordPress admin act
 
 ## Permanent dismissible notices
 
+### AJAX handler
+
 To use permanent dismissible notices AJAX handler must be created and hooks initialized:
 
 ```php
+wpdesk_init_wp_notice_ajax_handler();
+
+// Is equivalent to:
 ( new \WPDesk\Notice\AjaxHandler() )->hooks();
 ```
+
+### Displaying 
+
+To display permanent dismissible notice:
+
+```php
+wpdesk_permanent_dismissible_wp_notice( 'Notice text goes here', 'notice-name' );
+
+// Is equivalent to
+new PermanentDismissibleNotice( 'Notice text goes here', 'notice-name' );
+```