Fix fatal error: Address naming inconsistencies from WP Allstars to SEO Pro Stack refactoring

- Resolved class naming conflicts in auto-upload functionality
- Fixed menu slug from 'wp-allstars' to 'seoprostack'
- Corrected AJAX nonce references for consistency
- Updated JavaScript variable name to 'wpSeoProStack'
- Added deprecation notice to legacy auto-upload class

includes/class-seoprostack-auto-upload.php

@@ -2,10 +2,19 @@
 /**
  * Auto Upload Images functionality
  *
- * @package WP_Allstars
+ * @package SEO_Pro_Stack
+ * @deprecated 1.0.0 Use the class in includes/features/auto-upload/class-seoprostack-auto-upload.php instead
  */
 
-class WP_Allstars_Auto_Upload {
+// If this file is called directly, abort.
+if (!defined('ABSPATH')) {
+    exit;
+}
+
+/**
+ * @deprecated 1.0.0 Use SEOProStack_Auto_Upload instead
+ */
+class SEOProStack_Auto_Upload_Legacy {
     /**
      * Initialize the class
      */