Move debian dir to the master

Add debian dir to combine building workflow

Change-Id: I07e631274fe51183a38a09ab4701f5ae16dc2928
PROD: https://mirantis.jira.com/browse/PROD-20910
diff --git a/debian/compat b/debian/compat
new file mode 100644
index 0000000..ec63514
--- /dev/null
+++ b/debian/compat
@@ -0,0 +1 @@
+9