Create a Pod

curl --request POST \
  --url https://app.beam.cloud/api/v1/gateway/pods \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "stubId": "<string>",
  "checkpointId": "<string>"
}'

{
  "ok": true,
  "containerId": "<string>",
  "errorMsg": "<string>",
  "stubId": "<string>"
}