fix instance grab

app/Http/Controllers/SearxProxy.php

@@ -10,7 +10,7 @@ class SearxProxy extends Controller
         $search = $request->input('search');
 
         $instances = file('/html/storage/instances.txt');
-        $host = trim($instances[rand(1,sizeof($instances))]);
+        $host = trim($instances[rand(0,(sizeof($instances)-1))]);
         $url = $host . '?q=' . $search . '&format=json';
         try{
             $ch = curl_init();