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>

frontend/utils/api.ts

@@ -0,0 +1,8 @@
+export interface HydraCollection<T> {
+    'hydra:member': T[]
+    'hydra:totalItems': number
+}
+
+export function extractHydraMembers<T>(collection: HydraCollection<T>): T[] {
+    return collection['hydra:member'] ?? []
+}