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/stores/ui.ts

@@ -0,0 +1,19 @@
+import { defineStore } from 'pinia'
+
+export const useUiStore = defineStore('ui', {
+    state: () => ({
+        sidebarCollapsed: false,
+        sidebarOpen: false,
+    }),
+    actions: {
+        toggleSidebar() {
+            this.sidebarCollapsed = !this.sidebarCollapsed
+        },
+        openMobileSidebar() {
+            this.sidebarOpen = true
+        },
+        closeMobileSidebar() {
+            this.sidebarOpen = false
+        },
+    },
+})