Ezmsg

It's the new version!

What's Changed
* Change continuous data keys from SMP1-5 and RAW to ns1-6 by cboulay in https://github.com/ezmsg-org/ezmsg-blackrock/pull/12


**Full Changelog**: https://github.com/ezmsg-org/ezmsg-blackrock/compare/v0.2.1...v0.2.2

What's Changed
* add ability to use system time for timestamps by cboulay in https://github.com/ezmsg-org/ezmsg-blackrock/pull/10


**Full Changelog**: https://github.com/ezmsg-org/ezmsg-blackrock/compare/v0.2.0...v0.2.1

This release includes a UI that wraps MessageReplay, allowing for control of replaying message logs (as recorded by MessageLogger) at varying playback rates, with a nice little progress bar!