* cors and other basic changes

config/pipeline.php

@@ -14,6 +14,7 @@ use Zend\Stratigility\Middleware\ErrorHandler;
 // The error handler should be the first (most outer) middleware to catch
 // all Exceptions.
 $app->pipe(ErrorHandler::class);
+$app->pipe(App\Middleware\PreFlightMiddleware::class);
 $app->pipe(ServerUrlMiddleware::class);
 
 // Pipe more middleware here that you want to execute on every request: