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/MapBlock.vue

@@ -0,0 +1,14 @@
+<template>
+  <div class="block-map">
+    <p class="map-placeholder">[Carte: {{ content.map }}]</p>
+  </div>
+</template>
+
+<script setup>
+defineProps({
+  content: {
+    type: Object,
+    required: true
+  }
+});
+</script>