[Aether-1482] - Add the new helm chart to install the telegraf external daemon of ONOS controller

- Use the servicemonitor to work with Prometheus instead of Rancher's annotation

Change-Id: Icabfb43b1dbf5f86bfdbd4117cf550770d3418a7
diff --git a/apps/tost-telegraf/.helmignore b/apps/tost-telegraf/.helmignore
new file mode 100644
index 0000000..c687fff
--- /dev/null
+++ b/apps/tost-telegraf/.helmignore
@@ -0,0 +1,26 @@
+# Copyright 2021-present Open Networking Foundation
+# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/