update readme to point to build instructions
update readme to point to build instructions

majestrate/nntpchan,chen-chan/nntpchan,majestrate/nntpchan,chen-chan/nntpchan,chen-chan/nntpchan,majestrate/nntpchan,chen-chan/nntpchan,chen-chan/nntpchan,chen-chan/nntpchan,majestrate/nntpchan,majestrate/nntpchan,majestrate/nntpchan,chen-chan/nntpchan,majestrate/nntpchan,chen-chan/nntpchan