fix: make user id nullable

app/Http/Controllers/ReminderController.php

@@ -120,7 +120,7 @@ public function packageStore(Request $request, PackageName $packageName)
     $reminder = Reminder::create([
         ...$data,
         'package_name_id' => $packageName->id,
-        'user_id'         => Auth::id()
+        'user_id'         => null 
     ]);
 
     return response()->json($reminder, 201);