chore: Add CODEOWNERS

The CODEOWNERS file will automatically assign associated users / teams
to PRs which modify files matching a given pattern.

More information https://help.github.com/articles/about-codeowners/

License: MIT
Signed-off-by: Travis Person <travis@protoco.ai>

Author: Travis Person

CODEOWNERS

@@ -0,0 +1,4 @@
+# Please see https://help.github.com/articles/about-codeowners/ for more information
+
+# JavaScript Core Interface Tests
+/js/src/ @VictorBjelkholm @travisperson