rework structure

layouts/dev.vue

@@ -0,0 +1,16 @@
+<template>
+  <div>
+    <Header />
+    <Nuxt class="pt-16 lg:pt-24"/>
+  </div>
+</template>
+
+<script>
+export default {
+name: "dev"
+}
+</script>
+
+<style scoped>
+
+</style>