add ingress-nginx Helm value files

ingress-nginx/Chart.yaml

@@ -0,0 +1,9 @@
+---
+apiVersion: v2
+name: ingress-nginx
+version: "1.0.0"
+
+dependencies:
+  - name: ingress-nginx
+    version: 4.12.3
+    repository: https://kubernetes.github.io/ingress-nginx

ingress-nginx/values-production.yaml

@@ -0,0 +1,3 @@
+---
+controller:
+  replicaCount: 2

ingress-nginx/values.yaml

@@ -0,0 +1 @@
+---