Add .type property to shader

OutlineEffect: Refactor shaders.

InstancedMesh: Clean up.

InstancedMesh: Add support for raycast().

remove the raycast method declaration of instancedmesh.d.ts and remove the description in the document

2.update raycaster and InstanceMesh Doc
3.update demo

Update .d.ts for loaders

WebGLRenderer: Gracefully handle geometries in initial state.

Revert Adreno double-sided front-facing workaround

Update typedef for WebGLGeometries and others

Update .d.ts for BufferAttributes

Material: Introduce version property.

Added squeeze* input events for WebVR and WebXR Managers