refactor: move backend in apps/backend

apps/backend/routes/console.php

@@ -0,0 +1,8 @@
+<?php
+
+use Illuminate\Foundation\Inspiring;
+use Illuminate\Support\Facades\Artisan;
+
+Artisan::command('inspire', function () {
+    $this->comment(Inspiring::quote());
+})->purpose('Display an inspiring quote');