feat(pages): add admin page list with drag-and-drop reorder

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

views/pages/index.html

@@ -0,0 +1,35 @@
+<main class="container">
+  <div class="my-4 d-flex justify-content-between align-items-baseline">
+    <div>
+      <a href="/sites/{{ .site.ID }}/pages/new" class="btn btn-success">New Page</a>
+    </div>
+  </div>
+
+  {{ if .pages }}
+    <table class="table" data-controller="pagelist" data-pagelist-site-id-value="{{ .site.ID }}">
+      <thead>
+        <tr>
+          <th style="width: 2rem;"></th>
+          <th>Title</th>
+          <th>Slug</th>
+          <th>Nav</th>
+        </tr>
+      </thead>
+      <tbody data-pagelist-target="list">
+        {{ range .pages }}
+          <tr draggable="true" data-page-id="{{ .ID }}"
+              data-action="dragstart->pagelist#dragStart dragover->pagelist#dragOver drop->pagelist#drop dragend->pagelist#dragEnd">
+            <td class="text-muted" style="cursor: grab;">&#x2630;</td>
+            <td><a href="/sites/{{ $.site.ID }}/pages/{{ .ID }}">{{ .Title }}</a></td>
+            <td><code>{{ .Slug }}</code></td>
+            <td>{{ if .ShowInNav }}Yes{{ end }}</td>
+          </tr>
+        {{ end }}
+      </tbody>
+    </table>
+  {{ else }}
+    <div class="h4 m-3 text-center">
+      <div class="position-absolute top-50 start-50 translate-middle">No pages yet.</div>
+    </div>
+  {{ end }}
+</main>