SEBA-497 delayering, Makefile, and tox for volt-synchronizer

Change-Id: I68125659442e9d53720f7f327f66f335b97d5b5a
diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..b8f06bb
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+.tox
+venv-service