Add WebWorker OBJLoader

docs/manual/en/introduction/Libraries-and-Plugins.html

@@ -51,6 +51,7 @@
 		<ul>
 			<li>[link:https://github.com/gkjohnson/urdf-loaders/tree/master/javascript urdf-loader]</li>
 			<li>[link:https://github.com/NASA-AMMOS/3DTilesRendererJS 3d-tiles-renderer-js]</li>
+			<li>[link:https://github.com/kaisalmen/WWOBJLoader WebWorker OBJLoader]</li>
 		</ul>
 
 		<h3>3D Text and Layout</h3>