add more samples

Author: yyx990803

samples/basic.vue

@@ -12,7 +12,8 @@ Things to verify:
     <span
       v-text="foo * 10 + 'hi'"
       :id="foo + 'baz'"
-      @click="onClick('hello')">
+      @click="onClick('hello')"
+      @click.prevent="onClick('hello')">
       Hello
     </span>
   </div>

samples/langs.vue

@@ -14,6 +14,20 @@ body
   color primary-color
 </style>
 
+<style lang="scss">
+@import '~foo';
+
+a {
+  color: red;
+}
+</style>
+
+<style lang="sass">
+@import '~foo'
+a
+  color: red
+</style>
+
 <template lang="pug">
 div.app
   h1.title This is the app