set config variables for env variables

app/Http/Controllers/SearchController.php

@@ -13,10 +13,10 @@ class SearchController extends Controller
     public function __construct()
     {
         $this->client = new Client([
-            'api_key' => config('typesense_api_key'),
+            'api_key' => config('app.typesense_api_key'),
             'nodes' => [
                 [
-                    'host' => config('typesense_connection'),
+                    'host' => config('app.typesense_connection'),
                     'port' => '8108',
                     'protocol' => 'http',
                 ],