do not hardcode mail

ansible/roles/4-certbot/templates/letsencrypt/conf.d/nk20.ini.j2

@@ -10,11 +10,11 @@ rsa-key-size = 4096
 # server = https://acme-staging.api.letsencrypt.org/directory
 
 # Uncomment and update to register with the specified e-mail address
-email = notekfet2020@lists.crans.org
+email = {{ note.email }}
 
 # Uncomment to use a text interface instead of ncurses
 text = True
 
 # Use DNS-01 challenge
-authenticator = nginx
+authenticator = standalone