Adds support to customize /etc/ssh/moduli file

openssh/defaults.yaml

@@ -5,3 +5,4 @@ openssh:
   banner_src: salt://openssh/files/banner
   ssh_known_hosts: /etc/ssh/ssh_known_hosts
   dig_pkg: dnsutils
+  ssh_moduli: /etc/ssh/moduli

openssh/moduli.sls

@@ -0,0 +1,8 @@
+{% from "openssh/map.jinja" import openssh with context %}
+
+{% if salt['pillar.get']('openssh:moduli', False) %}
+ssh_moduli:
+  file.managed:
+    - name: {{ openssh.ssh_moduli }}
+    - contents_pillar: openssh:moduli
+{% endif %}