This adds a simple hardened systemd-based module for g3proxy, a generic
purpose forward proxy.
Change-Id: I8c6e5d2cc8a9faa2aea8c5df3af56756ffed542d
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
Co-authored-by: Elias Coppens <elias.coppens@ens.fr>