AETHER-2625 move sdcore-exporter to demo-exporter

Change-Id: I422f0f9a0436fca145b6922b3c09a51994118928
diff --git a/demo-exporter/.helmignore b/demo-exporter/.helmignore
new file mode 100644
index 0000000..01d4cd9
--- /dev/null
+++ b/demo-exporter/.helmignore
@@ -0,0 +1,25 @@
+# SPDX-FileCopyrightText: 2021 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
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj