Initial Laravel 12 + Filament 5 + Octane skeleton

- Laravel 12 base
- Filament 5 (default admin panel)
- Stancl/Tenancy v3 (config + migrations only)
- Spatie Permission
- Octane FrankenPHP runtime
- Sanctum
- Dockerfile multi-stage (composer + node + frankenphp:8.4)
- Entrypoint runs migrations + caches on boot
- .env.example pre-completat cu hosturi interne Coolify
- Health endpoint /up

Repo init pentru multi-tenant SaaS pe Coolify Hetzner.

tests/TestCase.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Tests;
+
+use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
+
+abstract class TestCase extends BaseTestCase
+{
+    //
+}