add middle ware to Kernel

Signed-off-by: Valentin Sickert <[email protected]>

app/Http/Kernel.php

@@ -42,6 +42,7 @@ class Kernel extends HttpKernel
             // \Laravel\Sanctum\Http\Middleware\EnsureFrontendRequestsAreStateful::class,
             \Illuminate\Routing\Middleware\ThrottleRequests::class.':api',
             \Illuminate\Routing\Middleware\SubstituteBindings::class,
+            \App\Http\Middleware\JsonOnlyMiddleware::class
         ],
     ];