Tie the images to the shapes

app/pages/PageEnigma/store/media.ts

@@ -538,27 +538,27 @@ export const shapeItems = signal<MediaItem[]>([
     media_id: "Box",
     type: AssetType.SHAPE,
     name: "Cube",
-    thumbnail: "resources/placeholders/placeholder.png",
+    thumbnail: "resources/shapes/cube.png",
   },
   {
     version: 1,
     media_id: "Cylinder",
     type: AssetType.SHAPE,
     name: "Cylinder",
-    thumbnail: "resources/placeholders/placeholder.png",
+    thumbnail: "resources/shapes/cylinder.png",
   },
   {
     version: 1,
     media_id: "Donut",
     type: AssetType.SHAPE,
     name: "Donut",
-    thumbnail: "resources/placeholders/placeholder.png",
+    thumbnail: "resources/shapes/donut.png",
   },
   {
     version: 1,
     media_id: "Sphere",
     type: AssetType.SHAPE,
     name: "Sphere",
-    thumbnail: "resources/placeholders/placeholder.png",
+    thumbnail: "resources/shapes/sphere.png",
   },
 ]);