[Discovery] Add missing protocols to example Service. (#683)
[Discovery] Add missing protocols to example Service. (#683)

* Add required protocols to example service

Signed-off-by: Scott Nichols <7cffec84f3535751e7e39fdb515d54ec7792b8a5@vmware.com>

* ran lint

Signed-off-by: Scott Nichols <7cffec84f3535751e7e39fdb515d54ec7792b8a5@vmware.com>
cloudevents/spec