Update index.html

examples/index.html

@@ -105,6 +105,7 @@
 				"webgl_animation_cloth",
 				"webgl_animation_skinning",
 				"webgl_animation_skinning_morph",
+				"webgl_animation_keys",
 				"webgl_buffergeometry",
 				"webgl_buffergeometry_custom_attributes_particles",
 				"webgl_buffergeometry_lines",