Add debian folder

Change-Id: Ie57bdfecc758b2bad469da6a3fb97b646927c426
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000..89ae9db
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)