add synchronizer and tosca files for vPGWC

Change-Id: I3f02594390a50d01820bcddb76f2a0a17e768db1
diff --git a/xos/synchronizer/run.sh b/xos/synchronizer/run.sh
new file mode 100755
index 0000000..821e149
--- /dev/null
+++ b/xos/synchronizer/run.sh
@@ -0,0 +1,3 @@
+# Runs the XOS observer using helloworldservice_config
+export XOS_DIR=/opt/xos
+python vpgwc-synchronizer.py  -C $XOS_DIR/synchronizers/vpgwc/vpgwc_config