Add nginx proxy for akkounts/kredits API

closes #410

nodes/fornax.kosmos.org.json

@@ -25,6 +25,7 @@
       "kosmos_website",
       "kosmos_website::default",
       "kosmos-ejabberd::nginx",
+      "kosmos-akkounts::nginx_api",
       "apt::default",
       "timezone_iii::default",
       "timezone_iii::debian",
@@ -57,14 +58,13 @@
     "platform_version": "20.04",
     "cloud": null,
     "chef_packages": {
-      "chef": {
-        "version": "17.5.22",
-        "chef_root": "/opt/chef/embedded/lib/ruby/gems/3.0.0/gems/chef-17.5.22/lib",
-        "chef_effortless": null
-      },
       "ohai": {
-        "version": "17.5.2",
-        "ohai_root": "/opt/chef/embedded/lib/ruby/gems/3.0.0/gems/ohai-17.5.2/lib/ohai"
+        "version": "15.12.0",
+        "ohai_root": "/opt/chef/embedded/lib/ruby/gems/2.6.0/gems/ohai-15.12.0/lib/ohai"
+      },
+      "chef": {
+        "version": "15.14.0",
+        "chef_root": "/opt/chef/embedded/lib/ruby/gems/2.6.0/gems/chef-15.14.0/lib"
       }
     }
   },