Add the initial kosmos-akkounts cookbook to deploy akkounts-api

Includes a recipe to set up nginx as a reverse proxy with a TLS
certificate for api.accounts.kosmos.org

Closes #18
Closes #20

site-cookbooks/kosmos-akkounts/templates/nodejs.systemd.service.erb

@@ -0,0 +1,15 @@
+[Unit]
+Description=Start nodejs app
+
+[Service]
+ExecStart=<%= @entry %>
+WorkingDirectory=<%= @app_dir %>
+User=<%= @user %>
+Group=<%= @group %>
+<% if @environment -%>
+Environment=<% @environment.each do |key, value| -%>'<%= key %>=<%= value %>' <% end %>
+<% end -%>
+Restart=always
+
+[Install]
+WantedBy=multi-user.target