The same as #'add-content-type/3 but with an empty list for options.

Adds a content-type header to the response. Used by #'wrap/2.
Returns a response record.

The same as #'wrap/2 but with an empty list for options.

Middleware that adds a content-type header to the response if one is not
set by the handler. Uses #'lmug-util:ext->mime-type/1 to guess the
content-type from the file extension in the URI. If no content-type can be
found, it defaults to application/octet-stream.

Accepts the following options:

'mime-types - a proplist of filename extensions to mime-types that will be
used in addition to the ones retiurned by
lmug-util:get-default-mime-types/0. For the proper
formatting of the data, see the source for the
get-default-mime-types function mentioned above.