Startup not required, fix display executable bug

app/Http/Controllers/Admin/ServersController.php

@@ -82,7 +82,7 @@ class ServersController extends Controller
             'users.email as a_ownerEmail',
             'locations.long as a_locationName',
             'services.name as a_serviceName',
-            'services.executable as a_serviceExecutable',
+            DB::raw('IFNULL(service_options.executable, services.executable) as a_serviceExecutable'),
             'service_options.name as a_servceOptionName',
             'allocations.ip',
             'allocations.port',

app/Repositories/ServerRepository.php

@@ -101,7 +101,7 @@ class ServerRepository
             'port' => 'required_without:allocation|numeric|min:1|max:65535',
             'service' => 'required|numeric|min:1|exists:services,id',
             'option' => 'required|numeric|min:1|exists:service_options,id',
-            'startup' => 'required',
+            'startup' => 'string',
             'custom_image_name' => 'required_if:use_custom_image,on',
         ]);