Changes to Create standalone namespace (BYO vectors)

added the pattern ^[A-Za-z0-9][A-Za-z0-9_-]{0,127}$ to the request property namespace_id

removed the optional property detail from the response with the 422 status

added the non-success response with the status 429

added the non-success response with the status 503

added the optional property success to the response with the 422 status

added the required property error to the response with the 422 status

added the required property status to the response with the 422 status

the endpoint scheme security BearerAuth was added to the API