Fixing up all of the things to make frontend work

roles/frontend/default/main.yml

@@ -0,0 +1,2 @@
+---
+webapp_hosts: []

roles/frontend/vars/main.yml

@@ -1,3 +1 @@
 ---
-# The hosts where nginx proxies ports 3000 and 4000 to
-#webapp_hosts: []