Finish to setup data access

public/site/controllers/site.php

@@ -0,0 +1,9 @@
+<?php
+
+return function ($page) {
+  $data = $page->toArray();
+  $data['template'] = (string) $page->template();
+  return [
+    'genericData' => $data,
+  ];
+};

public/site/snippets/footer.php

@@ -1,8 +1,3 @@
-    <script>
-      const kirbyData = {
-        pageUri: '<?= $page->uri() ?>',
-        pageTemplate: '<?= $page->template() ?>',
-      }
-    </script>
-  </body>
+  
+</body>
 </html>

public/site/snippets/generic-template.php

@@ -0,0 +1,3 @@
+<?php snippet('header') ?>
+  <div id="app"></div>
+<?php snippet('footer') ?>

public/site/templates/default.php

@@ -1 +1 @@
-<h1><?= $page->title() ?></h1>
+<h1><?= $page->title() ?></h1>

public/site/templates/home.json.php

@@ -0,0 +1,7 @@
+<?php
+
+$specificData = [];
+
+$data = array_merge($genericData, $specificData);
+
+echo json_encode($data);

public/site/templates/home.php

@@ -1,3 +1 @@
-<?php snippet('header') ?>
-  <div id="app"></div>
-<?php snippet('footer') ?>
+<?php snippet('generic-template') ?>