Docs: Update link to glTF+draco extension.

docs/examples/loaders/GLTFLoader.html

@@ -33,10 +33,12 @@
 				</a>
 			</li>
 			<li>
-				KHR_lights (experimental)
+				<a target="_blank" href="https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression">
+					KHR_draco_mesh_compression
+				</a>
 			</li>
 			<li>
-				KHR_draco_mesh_compression (experimental)
+				KHR_lights (experimental)
 			</li>
 		</ul>