continue migration: make website working

assets/vue/deck.vue

@@ -0,0 +1,28 @@
+<template>
+    <div>
+        <a-tabs class="tabs" @select="value = $event.value;">
+            <template v-slot:default><slot name="tabs" :value="value"/></template>
+        </a-tabs>
+
+        <slot :value="value"></slot>
+    </div>
+</template>
+
+
+<script>
+import Tabs from './tabs.vue';
+
+export default {
+    props: ['default'],
+
+    data() {
+        return {
+            value: this.default,
+        }
+    },
+
+    components: {
+        'a-tabs': Tabs,
+    }
+}
+</script>