Add facts about ssl certificate installation

ansible/roles/ssl-certificate/defaults/main.yml

@@ -11,14 +11,13 @@ cert_email: ''
 # Required: domains for lets encrypt certificate creation
 cert_domains: []
 
-# Parameters to store generated keys
+# Paths to store generated keys
 cert_directory: '/opt/ssl-certificates/{{ cert_name }}'
 cert_key: '{{ cert_directory }}/ssl.key'
 cert_request: '{{ cert_directory }}/ssl.csr'
 cert_certificate: '{{ cert_directory }}/ssl.crt'
-
-# DH parameters
-cert_dhparam: '/etc/nginx/dhparam.pem'
+cert_dhparam: '{{ cert_directory }}/dhparam.pem'
 cert_dhparam_n: 2048
 
+# lets encrypt well-known challenge folder
 cert_le_webroot_path: /var/www/letsencrypt