Add pointlight to flashbangs (#15785)

Resources/Prototypes/Entities/Objects/Weapons/Throwable/grenades.yml

@@ -60,12 +60,28 @@
     sound:
       path: "/Audio/Effects/flash_bang.ogg"
   - type: DeleteOnTrigger
+  - type: SpawnOnTrigger
+    proto: GrenadeFlashEffect
   - type: Appearance
     visuals:
     - type: TimerTriggerVisualizer
       countdown_sound:
         path: /Audio/Effects/countdown.ogg
 
+- type: entity
+  id: GrenadeFlashEffect
+  noSpawn: true
+  components:
+    - type: PointLight
+      enabled: true
+      netsync: false
+      radius: 5
+      energy: 8
+    - type: LightFade
+      duration: 0.5
+    - type: TimedDespawn
+      lifetime: 0.5
+
 - type: entity
   name: Syndicate minibomb
   description: A precision sabotage explosive for quickly destroying a machine, dead body, or whatever else needs to go.