Initial version of the kosmos-dirsrv cookbook

It sets up 389 Directory Server, including a TLS cert acquired using
Let's Encrypt in production (that requires ldap.kosmos.org pointing to
the server's IP)

cookbooks/ulimit/files/sudo

@@ -0,0 +1,9 @@
+#%PAM-1.0
+
+auth       required   pam_env.so readenv=1 user_readenv=0
+auth       required   pam_env.so readenv=1 envfile=/etc/default/locale user_readenv=0
+session    required   pam_limits.so
+@include common-auth
+@include common-account
+@include common-session-noninteractive
+