Reduce pagination to 4 items per page for testing

- Changed from 8 to 4 to make pagination visible with fewer articles
- Can be adjusted back to 8 or made configurable later

Author: scott grayson

src/Http/Controllers/PublicHelpArticleController.php

@@ -64,7 +64,7 @@ public function index()
             ->where('is_public', true)
             ->where('is_hidden', false)
             ->orderBy('name')
-            ->paginate(8);
+            ->paginate(4);
 
         // Allow projects to publish and customize the view
         // Check for published view first, then use package default