CIS 3.3.3 Ensure IPv6 is disabled

Related-Prod: PROD-20755

Change-Id: I44cc3bdb4a0436ff17f790a828d03697b89d3520
diff --git a/metadata/service/system/cis/init.yml b/metadata/service/system/cis/init.yml
new file mode 100644
index 0000000..fa119a2
--- /dev/null
+++ b/metadata/service/system/cis/init.yml
@@ -0,0 +1,2 @@
+classes:
+- service.linux.system.cis.cis-3-3-3