Add notes on how to connect to server UI after installation

charts/argo-cd/templates/NOTES.txt

@@ -0,0 +1,13 @@
+In order to access the server UI you have the following options:
+
+1. kubectl port-forward svc/argocd-server -n argocd 8080:443
+
+    and then open the browser on http://localhost:8080 and accept the certificate
+
+2. enable ingress and check the first option ssl passthrough:
+    https://github.com/argoproj/argo-cd/blob/master/docs/ingress.md#option-1-ssl-passthrough
+
+After reaching the UI the first time you can login with username: admin and the password will be the
+name of the server pod. You can get the pod name by running:
+
+kubectl get pods -n argocd -l app.kubernetes.io/name={{ include "argo-cd.name" . }}-server -o name | cut -d'/' -f 2