[ANN] http-2-next (0.3.0) released!

* https://gitlab.com/honeyryderchuck/http-2-next

http-2-next is a fork of the http-2 gem (https://github.com/igrigorik/http-2),
a pure ruby HTTP/2 protocol implementation. I's goal is to address spec
compliance issues and missing features from upstream.

## 0.3.0

* improvements on memory usage and object allocations
* RBS type signatures for all the library components