roles/sshd: Configure OpenSSH daemon

The *sshd* role can be used to configure the OpenSSH daemon. It supports
configuring a few options globally, as well as a limited set of options
in `Match` blocks (e.g. per-user/group configuration).

roles/sshd/defaults/main.yml

@@ -0,0 +1,5 @@
+sshd_permit_root_login: true
+sshd_password_authentication: true
+sshd_gssapi_authentication: true
+sshd_x11_forwarding: true
+sshd_config_matches: []