Move debian dir to the master

Add debian dir to combine building workflow

Change-Id: Ia371f79a9aebec97676b953bb0c4e7118d31870f
PROD: https://mirantis.jira.com/browse/PROD-20910
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000..163aaf8
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (quilt)