ScalaJS support

Initial support for ScalaJS (#4)

* Initial support for scalajs

Scala 2.13.7 & 3.1.0

21.11.1

feat: scala 2.13.7

gRPC web support

21.5.25

feat: gRPC web support

ScalaPB gen options for scala_proto_library

21.5.23

feat: add scalapb gen options into scala_proto_library rule

21.5.22

chore: upgrade bazel

Scala 2.13.6 & 3.0.0

21.5.17

Scala 2.13.6

21.5.16

fix: use protobuf from rules

21.5.15

Scala 3.0.0 final

21.5.10

chore: remove args library from repl & test runner

21.5.8-1

fix: 2_13_6 postfix