chore: update plugin description for clarity on webhook functionality

Author: giacomo-secchi

ContentBridge.php

@@ -3,7 +3,7 @@
 /**
  * Plugin Name:     ContentBridge
  * Plugin URI:      https://github.com/WritePoetry/ContentBridge
- * Description:     Sends post data to a specified n8n webhook URL upon publication, with JWT authentication.
+ * Description:     Sends post data to any number of configurable external webhook services with optional JWT authentication.
  * Author:          Giacomo Secchi
  * Author URI:      https://resume.giacomosecchi.com/
  * Text Domain:     contentbridge