make send outgoing response a component

[naturallymitchell]

https://github.com/speakeasy-apps/hello-world/blob/140b926745e9e5a46c6c0b7fc88678bede2789a1/packages/hello-world/actions/send_plain_hello.lua#L5-L11

parameters would help make this data structure easier to work with

jazzdotdev/flute#156