refactor sitemap generation and navigation handling; remove old GenerateSitemap command, update to use tasks for better organization, and enhance navigation data retrieval

app/Containers/AppStructure/Tasks/GetPagesForSitemapTask.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Containers\AppStructure\Tasks;
+
+use App\Containers\AppStructure\Models\Page;
+
+class GetPagesForSitemapTask
+{
+    public function run()
+    {
+        return Page::query()
+            ->where('is_visible', true)
+            ->where('code', 200)
+            ->where('path', '!=', null)
+            ->where('is_url', false)
+            ->where('title', '!=', null)
+            ->where('searchable', true)
+            ->get();
+    }
+}