Add codereview.settings.

pkgs/stream_channel/codereview.settings

diff --git a/pkgs/stream_channel/codereview.settings b/pkgs/stream_channel/codereview.settings
new file mode 100644
index 0000000..7b0a9ed
--- /dev/null
+++ b/pkgs/stream_channel/codereview.settings
@@ -0,0 +1,3 @@
+CODE_REVIEW_SERVER: https://codereview.chromium.org/
+VIEW_VC: https://github.com/dart-lang/stream_channel/commit/
+CC_LIST: reviews@dartlang.org
\ No newline at end of file