Added new example to list.

examples/files.js

@@ -155,6 +155,7 @@ var files = {
 		"webgl_materials_curvature",
 		"webgl_materials_displacementmap",
 		"webgl_materials_envmaps",
+		"webgl_materials_envmaps_exr",
 		"webgl_materials_envmaps_hdr",
 		"webgl_materials_grass",
 		"webgl_materials_lightmap",