feat: add ldapauth for nginx

- add service, defaults and script

site/profiles/templates/ldapauth/nginx-ldap-auth.default.erb

@@ -0,0 +1,18 @@
+#
+# these are used with systemd too
+# so please keep options names inside variables
+#
+#URL="--url ldap://example.com:389"
+#BASE="-b dc=nodomain"
+#BIND_DN="-D cn=admin,dc=nodomain"
+#BIND_PASS="-w secret"
+#COOKIE="-c nginxauth"
+#FILTER="-f (cn=%(username)s)"
+#REALM="-R 'Restricted Area'"
+
+# these are used with init scripts only
+LOG=/var/log/nginx-ldap-auth/daemon.log
+RUNDIR=/var/run/nginx-ldap-auth/
+PIDFILE=/var/run/nginx-ldap-auth/nginx-ldap-auth.pid
+USER=<%= @user %>
+GROUP=<%= @group %>