add setBoneTransform method

example/assets/shapes/shapes.bin

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9cd37bd5152ca0d7bde93663e188a537b2ac2bad58eaf69fbac00d9bc2da9f43
-size 93896
+oid sha256:1a28d8328f7881c6bfc57d18c55b5f347058e9c3a8ff69202e528eecb4728ac0
+size 100960

example/assets/shapes/shapes.glb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3fa9367e8955a1e47e704e56f267854019f0135199a06d8e25f62cec503d67d6
-size 136160
+oid sha256:b728c8fe0ce9eb06290dc37034404a952df8ea360b014b76c82fe8b9d695e85a
+size 113124

example/assets/shapes/shapes.gltf

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:cf4bf82fd77a54fd6573cded79d1d4db0d0e000c4200c0eadee9ce29425449de
-size 32690
+oid sha256:ab3dc6ca4dcfcd660b3a4dce20347ad1154844fe95fc7b47781288a22b0cd75b
+size 32437

example/lib/main.dart

@@ -93,8 +93,12 @@ class ExampleWidgetState extends State<ExampleWidget> {
           await _filamentController!.createViewer();
           await _filamentController!
               .loadSkybox("assets/default_env/default_env_skybox.ktx");
+
           await _filamentController!.setRendering(true);
-          await _filamentController!.loadGlb("assets/shapes/shapes.glb");
+          shapes =
+              await _filamentController!.loadGlb("assets/shapes/shapes.glb");
+          hasSkybox = true;
+          rendering = true;
         });
       });
     }

example/lib/menus/asset_submenu.dart

@@ -55,6 +55,17 @@ class _AssetSubmenuState extends State<AssetSubmenu> {
                       .transformToUnitCube(ExampleWidgetState.shapes!);
                 },
           child: const Text('Transform to unit cube')),
+      MenuItemButton(
+          onPressed: ExampleWidgetState.shapes == null
+              ? null
+              : () async {
+                  await widget.controller.setBoneTransform(
+                      ExampleWidgetState.shapes!,
+                      "Cylinder",
+                      0,
+                      Matrix4.rotationX(pi / 2));
+                },
+          child: const Text('Set bone tranform to identity for Cylinder')),
       MenuItemButton(
           onPressed: () async {
             var names = await widget.controller