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/composables/useAppVersion.ts

@@ -0,0 +1,15 @@
+const version = ref('')
+
+export function useAppVersion() {
+    async function load() {
+        try {
+            const api = useApi()
+            const data = await api.get<{ version: string }>('/version', {}, { toast: false })
+            version.value = data.version
+        } catch {
+            version.value = '?'
+        }
+    }
+
+    return { version, load }
+}