COMAC-166 Use official casssandra chart for hssdb

Change-Id: I4d0dcb757bc5ceb5697ef4d1367c918a8ef67878
diff --git a/mcord-release/mcord-services/.gitignore b/mcord-release/mcord-services/.gitignore
new file mode 100644
index 0000000..ee3892e
--- /dev/null
+++ b/mcord-release/mcord-services/.gitignore
@@ -0,0 +1 @@
+charts/