Fix status reason strings for STATUS_OK and STATUS_CREATED

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>

Fix leak caused by incomplete parsed_request_finish

request_line_parse returns request.method as a dynamically-allocated
string, which needs to be freed by parsed_request_finish.

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>

server.ha: Allow passing net::tcp::listen_option

This allows for passing things like reuseaddr and reuseport.

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>

server: propagate instead of asserting errors on request_parse

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>

Updates for Hare upstream changes

Functions that require memory allocation may return nomem now.

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>
Signed-off-by: Drew DeVault <drew@ddevault.org>

Initial Makefile

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>

Updates for Hare upstream changes

Signed-off-by: Drew DeVault <sir@cmpwn.com>

Implement server-side HTTP support

Co-authored-by: Drew DeVault <sir@cmpwn.com>
Signed-off-by: Willow Barraco <contact@willowbarraco.fr>
Signed-off-by: Drew DeVault <sir@cmpwn.com>

transport.ha: fix unreachable abort

Define new request method constants

net::http: implement response cases without body

net::http: export new_request{,_body}

cmd/http: add headers via getopt

net/http/header.ha: fix assertion

transport: improve identity transport lifetime

http::do: handle more protoerror cases

Use errors::unsupported if scheme != http(s)

net::http::new_request: exhaustive switch

Fix compilation with latest stdlib

README: update to latest RFC