Coder: Helm chart and configuration

Change-Id: I43515c289001bf1407aee1f9734151a261a7808a
diff --git a/charts/coder/templates/NOTES.txt b/charts/coder/templates/NOTES.txt
new file mode 100644
index 0000000..18fc33c
--- /dev/null
+++ b/charts/coder/templates/NOTES.txt
@@ -0,0 +1,6 @@
+{{/*
+Deprecation notices:
+*/}}
+
+Enjoy Coder! Please create an issue at https://github.com/coder/coder if you run
+into any problems! :)