CORD-2814 Basic Helm chart for ONOS

Change-Id: Icb8a4b429159ddf0d32ed7147e5b660faa826100
diff --git a/onos/.helmignore b/onos/.helmignore
new file mode 100644
index 0000000..f0c1319
--- /dev/null
+++ b/onos/.helmignore
@@ -0,0 +1,21 @@
+# 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