Initial commit of caddy
The inclusion of caddy resolves T2361.
Signed-off-by: Martin Reboredo <firstname.lastname@example.org>
Test Plan: Started the caddy service, reloaded it with a custom configuration (including reverse proxy and PHP fastcgi), stopped and restarted to see that it still uses my custom config.
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Subscribers: JoshStrobl, EbonJaeger
Maniphest Tasks: T2361
Differential Revision: https://dev.getsol.us/D10484