Restructures project with feature-based organization

Refactors project structure to support modular, feature-driven development

Introduces comprehensive language localization support
Adds menu management with role-based access control
Implements dynamic sidebar and theme switching capabilities

Enhances project scalability and maintainability

app/Features/Language/Translations/en.json

@@ -0,0 +1,33 @@
+{
+  "menu": {
+    "home": "Dashboard",
+    "calendar": "Calendar",
+    "pos": "Point of Sale",
+    "products": "Products & Inventory",
+    "suppliers": "Suppliers",
+    "customers": "Customers",
+    "employees": "Employees",
+    "reports": "Statistics & Reports",
+    "settings": "Settings",
+    "account": "Subscription & Account"
+  },
+  "groups": {
+    "dashboard": "Dashboard",
+    "data": "Data",
+    "analytics": "Analytics",
+    "system": "System"
+  },
+  "common": {
+    "save": "Save",
+    "cancel": "Cancel",
+    "search": "Search",
+    "close": "Close",
+    "delete": "Delete",
+    "edit": "Edit",
+    "add": "Add"
+  },
+  "sidebar": {
+    "lockScreen": "Lock screen",
+    "appName": "Salon OS"
+  }
+}