feat: 新增组件扩展（柱图悬浮饼图）

Author: xiaojingha

src/packages/barpie/index.js

@@ -0,0 +1,12 @@
+import 'echarts/lib/chart/bar'
+
+import HocEcharts from '../../components/HocEcharts.vue'
+import Chart from './chart'
+
+export default {
+  name: 'VeBarpieChart',
+  mixins: [HocEcharts],
+  created () {
+    this.chartHandler = new Chart().bar
+  }
+}