adds 2 examples to list files.js

adds both new spotlight examples

examples/files.js

@@ -60,6 +60,8 @@ var files = {
 		"webgl_lights_physical",
 		"webgl_lights_pointlights",
 		"webgl_lights_pointlights2",
+		"webgl_lights_spotlight",
+		"webgl_lights_spotlights",
 		"webgl_lines_colors",
 		"webgl_lines_cubes",
 		"webgl_lines_dashed",