add skeletin

src/components/ui/AppSkeleton.vue

@@ -0,0 +1,13 @@
+<template>
+  <div
+    class="animate-pulse rounded-lg bg-surface-3"
+    :class="klass"
+    aria-hidden="true"
+  />
+</template>
+
+<script setup lang="ts">
+const { class: klass } = defineProps<{
+  class?: string;
+}>();
+</script>