List all config pages

curl --request GET \
  --url https://api.us.poly.ai/v1/agents/{agentId}/real-time-configs \
  --header 'x-api-key: <api-key>'

{
  "configPages": [
    {
      "clientEnv": "<string>",
      "variables": {},
      "schema": {},
      "lastUpdated": "<string>"
    }
  ]
}