feat: base implementation of panel preview

src/components/layout/Card.svelte

@@ -58,4 +58,10 @@
     align-items: center;
     margin-bottom: 12px;
   }
+
+  .card-snippet {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+  }
 </style>

src/components/layout/PanelBar.svelte

@@ -1,11 +1,11 @@
 <script lang="ts">
   import ImageManager from "$components/image/ImageManager.svelte";
-  import PanelPreview from "$components/panel/PanelPreview.svelte";
+  import PreviewManager from "$components/panel/PreviewManager.svelte";
 </script>
 
 <div class="panel-bar">
   <ImageManager />
-  <PanelPreview />
+  <PreviewManager />
 </div>
 
 <style>