feat: Enhance user forms and user management UI (#437)

locales/en.json

@@ -673,9 +673,13 @@
     "password": "Password",
     "newPassword": "New Password",
     "confirmPassword": "Confirm Password",
+    "changePassword": "Change Password",
     "adminRole": "Administrator",
     "admin": "Admin",
     "user": "User",
+    "role": "Role",
+    "actions": "Actions",
+    "addFirst": "Add your first user",
     "permissions": "Permissions",
     "adminPermissions": "Full system access",
     "userPermissions": "Limited access",