AETHER-513 Add grafana-aether Helm chart

Change-Id: I54b208bbbc981d2bff252ce9586d716dafb053cc
diff --git a/monitoring/grafana-aether/.helmignore b/monitoring/grafana-aether/.helmignore
new file mode 100644
index 0000000..17fdbc0
--- /dev/null
+++ b/monitoring/grafana-aether/.helmignore
@@ -0,0 +1,26 @@
+# Copyright 2020-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/