Add streamly-bytestring
Add streamly-bytestring

soenkehahn/stackage,jonschoning/stackage,mrkkrp/stackage,stackbuilders/stackage,iand675/stackage,fpco/stackage,asr/stackage,massysett/stackage,simonmichael/stackage,athanclark/stackage,Daniel-Diaz/stackage,michalkonecny/stackage,clinty/stackage