Add member

curl --request POST \
  --url https://ageneral.ai/v1/projects/{project_id}/members \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "projectId": "<string>",
  "userId": "<string>",
  "role": "<string>"
}
'

{
  "member": {
    "projectId": "<string>",
    "userId": "<string>",
    "email": "<string>",
    "role": "<string>",
    "createdAt": "<string>"
  }
}