message: Added 0.16.0 details
diff: +# 0.16.0
  +
  +### Added
  +- Added support for header status and no responders to requests (#219)
  +- Added support for username and password as part of the url (#216)
  +- Added support for client side periodic pings
  +
  +### Changed
  +- Bumped MSRV to 1.52.0
  +
  +### Removed
  +- Use of IntervalTree for client side de-dupe for JetStream consumers
  +- Serialized used of test servers, tests can now run in parallel
  +
  +### Improved
  +- Better handling of write errors and server disconnects as part of client side ping support
  +- Better handling of message headers
  +
  +### Complete Changes
  +
  +https://github.com/nats-io/nats.rs/compare/v0.15.2...v0.16.0
  +
  # 0.15.2
  # Bug Fixes
  