add capsule and ring chart

src/components/ringChart/index.vue

@@ -0,0 +1,15 @@
+<template>
+  <div class="ring-chart">
+    this is ring chart
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'RingChart'
+}
+</script>
+
+<style lang="less">
+.ring-chart {}
+</style>