feat: Setup Nuxt UI

wp-content/themes/headless/app/components/site/SiteHeader.vue

@@ -0,0 +1,9 @@
+<template>
+  <UHeader mode="slideover">
+    <template #left>
+      <NuxtLink to="/">
+        <SvgSiteLogo class="h-10 w-auto" />
+      </NuxtLink>
+    </template>
+  </UHeader>
+</template>

wp-content/themes/headless/app/components/site/page/PageHeader.vue

@@ -0,0 +1,11 @@
+<script setup lang="ts">
+defineProps<{ title?: string }>();
+</script>
+
+<template>
+  <header v-if="title" class="py-3">
+    <div class="container">
+      <h1 class="heading-1">{{ title }}</h1>
+    </div>
+  </header>
+</template>