Allow `application/octet-stream`s to media endpoint
As I'm discovering with my Go Micropub client, the multipart
library
is defaulting to send a application/octet-stream
, so we should handle
this as the absence of a provided mediaType.
As I'm discovering with my Go Micropub client, the multipart
library
is defaulting to send a application/octet-stream
, so we should handle
this as the absence of a provided mediaType.