Changes to Provision a new cloud computer (optionally from a template via template_ref)

added the new optional header request parameter Idempotency-Key

added the new optional request property billing_mode

added the optional property docs_url to the response with the 403 status

added the optional property next to the response with the 403 status

added the optional property retryable to the response with the 403 status

added the new optional request property on_end

added the non-success response with the status 429

added the new optional request property ends_in_hours

added the non-success response with the status 503

removed the enum value 12.00 of the request property ram

added the new 10.00 enum value to the request property ram

added required request body

added the non-success response with the status 400

added the non-success response with the status 403