feat(restic): add migrated role from finallycoffee.services

README.md

@@ -21,6 +21,9 @@ and configuring basic system utilities like gnupg, ssh etc
 - [`nginx`](roles/nginx/README.md): [nginx](https://www.nginx.com/),
   an advanced load balancer, webserver and reverse proxy.
 
+- [`restic`](roles/restic/README.md): Manage backups using restic
+  and persist them to a configurable backend.
+
 ## License
 
 [CNPLv7+](LICENSE.md): Cooperative Nonviolent Public License