Display warning for SkinnedMesh from ObjectLoader

src/loaders/ObjectLoader.js

@@ -642,6 +642,10 @@ Object.assign( ObjectLoader.prototype, {
 
 					break;
 
+				case 'SkinnedMesh':
+
+					console.warn( 'THREE.ObjectLoader.parseObject() does not support SkinnedMesh type. Instantiates Object3D instead.' );
+
 				default:
 
 					object = new Object3D();