Feature: Add JetStream Support

[ColinSullivan1]

The NATS JMS Bridge should support JetStream.

• [ ] Identify MVP Features
• [ ] Deprecate STAN
• [ ] Support Sync/Async publishing
• [ ] Support various consumer types
  • [ ] MVP with Durable Pull Subscriptions

[mikekuzak]

nats-io/nats-mq#18