refactor: add eslint-plugin-vue && lint code (#976)

src/components/SvgIcon/index.vue

@@ -1,19 +1,20 @@
 <template>
   <svg :class="svgClass" aria-hidden="true">
-    <use :xlink:href="iconName"></use>
+    <use :xlink:href="iconName"/>
   </svg>
 </template>
 
 <script>
 export default {
-  name: 'svg-icon',
+  name: 'SvgIcon',
   props: {
     iconClass: {
       type: String,
       required: true
     },
     className: {
-      type: String
+      type: String,
+      default: ''
     }
   },
   computed: {