add /debian package support

Change-Id: I985805aea0e48fe70619de8b81206098e4e37613
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)