Imports of js-ordered-fetch command

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/nats-io/nats.goA Go client for the NATS messaging system (https://nats.io).
github.com/nats-io/nats.go/jetstream
logPackage log implements a simple logging package.
timePackage time provides functionality for measuring and displaying time.