Get all users

Example response

{
  "status": true,
  "message": "Users retrieved successfully",
  "data": [
    {
      "id": 1,
      "username": "johndoe",
      "email": "john@example.com",
      "full_name": "John Doe",
      "role": "admin",
      "created_at": "2024-01-01T00:00:00Z",
      "updated_at": "2024-01-01T00:00:00Z"
    }
  ]
}