add a ignore file that some dir not pack to plugin
add a ignore file that some dir not pack to plugin

weex-plugins/weex-amap,weex-plugins/weex-plugin-amap,weex-plugins/weex-plugin-amap,weex-plugins/weex-amap,weex-plugins/weex-amap,weex-plugins/weex-plugin-amap,weex-plugins/weex-amap,weex-plugins/weex-plugin-amap