Update (major): Add search engine submission button

config/index-now.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'delay' => env('INDEXNOW_SUBMIT_DELAY', 600),
+    'host' => env('APP_URL', 'localhost'),
+    'key' => env('INDEXNOW_KEY', ''),
+    'key-location' => env('INDEXNOW_KEY_LOCATION', ''),
+    'log-failed-submits' => env('INDEXNOW_LOG_FAILED_SUBMITS', true),
+    'production-env' => env('INDEXNOW_PRODUCTION_ENV', 'production'),
+    'search-engine' => env('INDEXNOW_SEARCH_ENGINE', 'api.indexnow.org'),
+];