Add light entity creation functions and constants

src/app/App.tsx

@@ -81,14 +81,26 @@ import {
   DEFAULT_ENTITY_POSITION,
   DEFAULT_INTERACTABLE_PROMPT,
   DEFAULT_INTERACTABLE_RADIUS,
+  DEFAULT_POINT_LIGHT_COLOR_HEX,
+  DEFAULT_POINT_LIGHT_DISTANCE,
+  DEFAULT_POINT_LIGHT_INTENSITY,
+  DEFAULT_POINT_LIGHT_POSITION,
   DEFAULT_SOUND_EMITTER_GAIN,
   DEFAULT_SOUND_EMITTER_RADIUS,
   DEFAULT_TELEPORT_TARGET_YAW_DEGREES,
+  DEFAULT_SPOT_LIGHT_ANGLE_DEGREES,
+  DEFAULT_SPOT_LIGHT_COLOR_HEX,
+  DEFAULT_SPOT_LIGHT_DISTANCE,
+  DEFAULT_SPOT_LIGHT_DIRECTION,
+  DEFAULT_SPOT_LIGHT_INTENSITY,
+  DEFAULT_SPOT_LIGHT_POSITION,
   DEFAULT_TRIGGER_VOLUME_SIZE,
   areEntityInstancesEqual,
   createInteractableEntity,
+  createPointLightEntity,
   createPlayerStartEntity,
   createSoundEmitterEntity,
+  createSpotLightEntity,
   createTeleportTargetEntity,
   createTriggerVolumeEntity,
   getEntityInstances,