Send people doing *library* stabilizations over to the std-dev-guide (#1317)
Send people doing *library* stabilizations over to the std-dev-guide (#1317)

Co-authored-by: pierwill <4831b7b76047dda1845a00e83c90d6382e06d5e7@users.noreply.github.com>
rust-lang/rustc-dev-guide,rust-lang/rustc-dev-guide,rust-lang/rustc-dev-guide,rust-lang/rustc-dev-guide