Update enemy sprite IDs

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

apps/wolf_3d_gui/lib/screens/sprite_gallery.dart

@@ -22,6 +22,8 @@ class SpriteGallery extends StatelessWidget {
       body: GridView.builder(
         gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
           crossAxisCount: 8,
+          crossAxisSpacing: 8,
+          mainAxisSpacing: 8,
         ),
         itemCount: sprites.length,
         itemBuilder: (context, index) {
@@ -46,17 +48,21 @@ class SpriteGallery extends StatelessWidget {
             }
           }
 
-          return Column(
-            children: [
-              Text(
-                label,
-                style: const TextStyle(color: Colors.white, fontSize: 10),
-                textAlign: TextAlign.center,
-              ),
-              Expanded(
-                child: WolfAssetPainter.sprite(sprites[index]),
-              ),
-            ],
+          return Card(
+            color: Colors.blueGrey,
+            child: Column(
+              spacing: 8,
+              children: [
+                Text(
+                  label,
+                  style: const TextStyle(color: Colors.white, fontSize: 10),
+                  textAlign: TextAlign.center,
+                ),
+                Expanded(
+                  child: WolfAssetPainter.sprite(sprites[index]),
+                ),
+              ],
+            ),
           );
         },
       ),