refactor: optimize plugin system

script/push.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 for package in `ls packages`; do
     echo $package
     pushd packages/$package

script/sync.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 for PACKAGE in `ls packages`;do
     echo "${PACKAGE} $(curl -s "https://registry-direct.npmmirror.com/@ccms/${PACKAGE}/sync?sync_upstream=true" -X 'PUT')"
 done