Add missing Let's Encrypt recipe

Also declare cron job to renew certs

Refs #6

site-cookbooks/kosmos-base/recipes/letsencrypt.rb

@@ -0,0 +1,22 @@
+#
+# Cookbook Name:: kosmos-base
+# Recipe:: letsencrypt
+#
+# Copyright 2016, Kosmos
+#
+# All rights reserved - Do Not Redistribute
+#
+
+git "/usr/local/letsencrypt" do
+  repository "https://github.com/letsencrypt/letsencrypt"
+  action     :sync
+  revision   "v0.5.0"
+  user       "root"
+  group      "root"
+end
+
+cron "renew Let's Encrypt certificates" do
+  minute "*"
+  hour "4"
+  command "/usr/local/letsencrypt/letsencrypt-auto renew && service nginx reload"
+end