[fix] tab link break routes

Author: ahoendgen

dist/vue-tabs.common.js

@@ -195,6 +195,12 @@ var VueTabs = {
                     [_this.textPosition === 'top' && _this.renderTabTitle(index, _this.textPosition), h(
                         'a',
                         {
+                            on: {
+                              'click': function click(event) {
+                                event.preventDefault();
+                                return false;
+                              }
+                            },
                             attrs: { href: '#',
 
                                 'aria-selected': active,