refactor: Migrate to Vue components

client/js/components/anchor.vue

@@ -0,0 +1,17 @@
+<template>
+    <div>
+        <p>{{ msg }}</p>
+        <input type="text" v-model="msg" />
+    </div>
+</template>
+
+<script>
+  export default {
+    name: 'anchor',
+    data () {
+      return {
+          msg: 'Welcome to Your Vue.js App'
+      }
+    }
+  }
+</script>