chore(playground): compodium setup

playground/compodium/examples/UBreadcrumb/UBreadcrumbExample.vue

@@ -0,0 +1,30 @@
+<script setup lang="ts">
+extendCompodiumMeta({
+  defaultProps: {
+    items: [{
+      label: 'Home',
+      to: '/'
+    }, {
+      slot: 'dropdown' as const,
+      icon: 'i-lucide-ellipsis',
+      children: [{
+        label: 'Documentation'
+      }, {
+        label: 'Themes'
+      }, {
+        label: 'GitHub'
+      }]
+    }, {
+      label: 'Components',
+      disabled: true
+    }, {
+      label: 'Breadcrumb',
+      to: '/components/breadcrumb'
+    }]
+  }
+})
+</script>
+
+<template>
+  <UBreadcrumb />
+</template>