List all features

{  "features": [    {      "code": "seats",      "name": "Number of seats",      "description": "Number of users allowed in the account",      "privileges": [        {          "code": "max",          "name": "Maximum seats",          "value_type": "INTEGER"        },        {          "code": "max_admins",          "name": "Maximum admin users",          "value_type": "INTEGER"        }      ],      "created_at": "2025-01-28T10:00:00Z"    },    {      "code": "api_access",      "name": "API Access",      "description": "Access to REST API endpoints",      "privileges": [        {          "code": "rate_limit",          "name": "API Rate Limit",          "value_type": "INTEGER"        },        {          "code": "endpoints",          "name": "Available Endpoints",          "value_type": "SELECT",          "config": {            "select_options": [              "basic",              "standard",              "premium",              "all"            ]          }        }      ],      "created_at": "2025-01-28T11:00:00Z"    },    {      "code": "sso",      "name": "Single Sign-On",      "description": "SSO authentication configuration",      "privileges": [        {          "code": "enabled",          "name": "SSO Enabled",          "value_type": "BOOLEAN"        },        {          "code": "provider",          "name": "SSO Provider",          "value_type": "SELECT",          "config": {            "select_options": [              "google",              "okta",              "azure",              "saml"            ]          }        }      ],      "created_at": "2025-01-28T12:00:00Z"    }  ],  "metadata": {    "current_page": 1,    "total_count": 3,    "total_pages": 1  }}