add user privileges & add translations

frontend/src/locales/en.json

@@ -0,0 +1,35 @@
+{
+  "app": {
+    "title": "Admin Panel",
+    "dashboard": "Dashboard",
+    "users": "Users",
+    "restaurants": "Restaurants",
+    "settings": "Settings",
+    "profile": "Profile",
+    "logout": "Logout",
+    "language": "Language"
+  },
+  "user": {
+    "pageName": "Users Management",
+    "add": " Add User",
+    "edit": "Edit User"
+  },
+  "login": {
+    "title": "Welcome Back",
+    "subtitle": "Sign in to your account",
+    "username": "Username or Email",
+    "password": "Password",
+    "remember": "Remember me",
+    "signin": "Sign In",
+    "createAccount": "Create account"
+  },
+  "profile": {
+    "title": "My Profile",
+    "email": "Email",
+    "password": "Password",
+    "newPassword": "New Password",
+    "language": "Language",
+    "save": "Save Changes",
+    "role": "Role"
+  }
+}