Merge pull request #17709 from soadzoor/WebVR.d.ts-optionalparameter

Fix for TypeScript - optional parameter in WebVR.d.ts

examples/jsm/vr/WebVR.d.ts

@@ -7,5 +7,5 @@ export interface WEBVROptions {
 }
 
 export namespace WEBVR {
-	export function createButton( renderer: WebGLRenderer, options: WEBVROptions );
+	export function createButton( renderer: WebGLRenderer, options?: WEBVROptions );
 }