List features by filter

curl --request POST \
  --url https://api.cloud.flexprice.io/v1/features/search \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "end_time": "<string>",
  "expand": "<string>",
  "feature_ids": [
    "<string>"
  ],
  "filters": [
    {
      "data_type": "string",
      "field": "<string>",
      "operator": "eq",
      "value": {
        "array": [
          "<string>"
        ],
        "boolean": true,
        "date": "<string>",
        "number": 123,
        "string": "<string>"
      }
    }
  ],
  "limit": 500,
  "lookup_key": "<string>",
  "lookup_keys": [
    "<string>"
  ],
  "meter_ids": [
    "<string>"
  ],
  "name_contains": "<string>",
  "offset": 1,
  "order": "asc",
  "sort": [
    {
      "direction": "asc",
      "field": "<string>"
    }
  ],
  "start_time": "<string>",
  "status": "published"
}
'

{
  "items": [
    {
      "alert_settings": {
        "alert_enabled": true,
        "critical": {
          "condition": "above",
          "threshold": 123
        },
        "info": {
          "condition": "above",
          "threshold": 123
        },
        "warning": {
          "condition": "above",
          "threshold": 123
        }
      },
      "created_at": "<string>",
      "created_by": "<string>",
      "description": "<string>",
      "environment_id": "<string>",
      "id": "<string>",
      "lookup_key": "<string>",
      "metadata": {},
      "meter": {
        "aggregation": {
          "bucket_size": "MINUTE",
          "field": "<string>",
          "multiplier": 123,
          "type": "COUNT"
        },
        "created_at": "2024-03-20T15:04:05Z",
        "event_name": "api_request",
        "filters": [
          {
            "key": "<string>",
            "values": [
              "<string>"
            ]
          }
        ],
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "name": "API Usage Meter",
        "reset_usage": "BILLING_PERIOD",
        "status": "published",
        "tenant_id": "tenant123",
        "updated_at": "2024-03-20T15:04:05Z"
      },
      "meter_id": "<string>",
      "name": "<string>",
      "status": "published",
      "tenant_id": "<string>",
      "type": "metered",
      "unit_plural": "<string>",
      "unit_singular": "<string>",
      "updated_at": "<string>",
      "updated_by": "<string>"
    }
  ],
  "pagination": {
    "limit": 123,
    "offset": 123,
    "total": 123
  }
}