bump: Bump ZingChart to version 2.8.8

- add modules to npm output

Author: Nick Ardecky

dist/zingchart-react.js

@@ -23,7 +23,7 @@
   "scripts": {
     "test": "cross-env CI=1 react-scripts test --env=jsdom",
     "test:watch": "react-scripts test --env=jsdom",
-    "build": "rollup -c",
+    "build": "rollup -c && cp -a node_modules/zingchart/modules-es6/ dist/modules/",
     "start": "rollup -c -w",
     "prepare": "npm run build",
     "predeploy": "cd example && npm install && npm run build",
@@ -67,7 +67,7 @@
     "dist"
   ],
   "dependencies": {
-    "zingchart": "^2.8.7",
+    "zingchart": "^2.8.8",
     "zingchart-constants": "github:zingchart/zingchart-constants#master"
   }
 }

package-lock.json

@@ -1,4 +1,4 @@
-import { zingchart } from 'zingchart';
+import zingchart from 'zingchart/es6';
 import React, { Component } from 'react';
 import constants from 'zingchart-constants';