refactor to allow for multiple code locations

apps/test/sync.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+rsync -av /opt/dagster/src/app/vinyl/ \
+  /Volumes/dagster/src/app/vinyl/ \
+  --include='*.py' \
+  --include='*requirements.txt' \
+  --exclude='__pycache__/' \
+  -progress \
+  --delete $*