gerrit: charts and app configuration

Change-Id: If4f05f749719d6ba0e2ced8da563699bc6fbc4c0
diff --git a/charts/gerrit/templates/NOTES.txt b/charts/gerrit/templates/NOTES.txt
new file mode 100644
index 0000000..b71b3b0
--- /dev/null
+++ b/charts/gerrit/templates/NOTES.txt
@@ -0,0 +1,4 @@
+A primary Gerrit instance has been deployed.
+==================================
+
+Gerrit may be accessed under: {{ .Values.ingress.host }}