doc: use serial comma in stream docs
This aligns doc/api/stream.md
with the following guide.
Signed-off-by: Daeyeon Jeong daeyeon.dev@gmail.com
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This aligns doc/api/stream.md
with the following guide.
Signed-off-by: Daeyeon Jeong daeyeon.dev@gmail.com