% npm run build
% npm run start
https://doc.babylonjs.com/guidedLearning/createAGame/gettingSetUp
https://doc.babylonjs.com/divingDeeper/lights/lights_introduction
https://doc.babylonjs.com/divingDeeper/webXR/introToWebXR
SceneLoader.ImportMesh
https://doc.babylonjs.com/divingDeeper/importers/loadingFileTypes#sceneloaderimportmesh