Create a new group

curl --request POST \
  --url https://api.withampersand.com/v1/projects/{projectIdOrName}/groups \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '{
  "groupRef": "group-123",
  "groupName": "Super Customers"
}'

This response has no body data.