Reconsidering "bytes" name

[guybedford]

As discussed in plenary, one of the open questions about the proposal was whether "bytes" is the right term or whether "buffer" or another name may be more suitable for the "type" attribute.

Opening this to track that feedback to be resolved further.

[alexgleason]

bytes matches Response.bytes()

[styfle]

Indeed. This is mentioned in the FAQ section of the README