Introduced Avinetworks Vantage formula draft

Change-Id: Ibc1daaa70a25434dca66e6f3c8e657d9d908b91e
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)