feat : init project Coltura (CRM/ERP)

Symfony 8 + API Platform 4 + Nuxt 4 monorepo.
Backend: User entity, JWT auth, fixtures.
Frontend: login, dashboard, auth middleware, i18n, @malio/layer-ui.
Docker: dev (ports 8083/3003/5436) + prod multi-stage.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

config/packages/routing.yaml

@@ -0,0 +1,8 @@
+framework:
+    router:
+        default_uri: '%env(DEFAULT_URI)%'
+
+when@prod:
+    framework:
+        router:
+            strict_requirements: null