feat: integrate Kirby CMS data with Vue print editor

- Add JSON content representation template (recit.json.php)
- Create virtual /print page plugin for recit pages
- Add recit.php base template for content representation
- Create Pinia store for recit data management
- Add block components (text, heading, image, list, quote, video, map)
- Update PagedJsWrapper for dynamic content rendering with data-page-type
- Modify header.php to pass recit JSON URL via data attribute
- Update App.vue to load recit data on mount

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/blocks/VideoBlock.vue

@@ -0,0 +1,38 @@
+<template>
+  <figure class="block-video">
+    <div class="video-embed" v-html="embedHtml"></div>
+    <figcaption v-if="content.caption">{{ content.caption }}</figcaption>
+  </figure>
+</template>
+
+<script setup>
+import { computed } from 'vue';
+
+const props = defineProps({
+  content: {
+    type: Object,
+    required: true
+  }
+});
+
+// Convert video URL to embed iframe
+const embedHtml = computed(() => {
+  const url = props.content.url;
+  if (!url) return '';
+
+  // YouTube
+  const youtubeMatch = url.match(/(?:youtube\.com\/watch\?v=|youtu\.be\/)([^&]+)/);
+  if (youtubeMatch) {
+    return `<iframe src="https://www.youtube.com/embed/${youtubeMatch[1]}" frameborder="0" allowfullscreen></iframe>`;
+  }
+
+  // Vimeo
+  const vimeoMatch = url.match(/vimeo\.com\/(\d+)/);
+  if (vimeoMatch) {
+    return `<iframe src="https://player.vimeo.com/video/${vimeoMatch[1]}" frameborder="0" allowfullscreen></iframe>`;
+  }
+
+  // Fallback: direct video tag
+  return `<video src="${url}" controls></video>`;
+});
+</script>