copy stdlib build artifacts to the test repo after building the runtime

Author: jfrolich

scripts/buildRuntimeRewatch.sh

@@ -11,3 +11,5 @@ cp runtime/lib/es6/*.js lib/es6
 cp runtime/lib/js/*.js lib/js
 cp runtime/lib/bs/*.@(cmi|cmj|cmt|cmti) lib/ocaml/
 cp runtime/*.@(res|resi) lib/ocaml/
+# copy the stdlib build artifacts to the testrepo
+cp -rf lib/ocaml rewatch/testrepo/node_modules/rescript/lib/ocaml