Change order of implicits for naturalTransformationWritable
Change order of implicits for naturalTransformationWritable

The swap of implicits removes a 'diverging implicit expansion' compilation error when attempting `implicitly[Writable[Response]]` which is itself a mystery. This may be a compiler bug, but its unlikely to be reproducable.

reactormonk/http4s,rossabaker/http4s,http4s/http4s,hvesalai/http4s,ChristopherDavenport/http4s,ZizhengTai/http4s,reactormonk/http4s,ZizhengTai/http4s,aeons/http4s,hvesalai/http4s,hvesalai/http4s,ChristopherDavenport/http4s,m4dc4p/http4s,ChristopherDavenport/http4s,aeons/http4s,m4dc4p/http4s,aeons/http4s,rossabaker/http4s,ZizhengTai/http4s,m4dc4p/http4s,reactormonk/http4s