Create stripe integration

curl --request POST \
  --url https://api.mottostreaming.com/monetization/integrations/v1/stripe \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "project_id": "<string>",
  "secret_key": "<string>",
  "test_secret_key": "<string>"
}'

{
  "integration": {
    "project_id": "<string>",
    "secret_key": "<string>",
    "test_secret_key": "<string>"
  }
}