Allow to create a package and install a package compiled from GitHub

Also add nginx config for reverse proxying and set up Let's Encrypt
automatically

site-cookbooks/kosmos-parity/recipes/user.rb

@@ -0,0 +1,20 @@
+#
+# Cookbook Name:: kosmos-parity
+# Recipe:: user
+#
+# Copyright 2017, Kosmos
+#
+# All rights reserved - Do Not Redistribute
+#
+
+group "parity" do
+  gid 72748
+end
+
+user "parity" do
+  system true
+  manage_home true
+  comment "parity user"
+  uid 72748
+  gid 72748
+end