Predict Flashes (#37640)

Co-authored-by: ScarKy0 <scarky0@onet.eu>

Content.Shared/Flash/FlashVisuals.cs

@@ -0,0 +1,17 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Flash;
+
+[Serializable, NetSerializable]
+public enum FlashVisuals : byte
+{
+    Burnt,
+    Flashing,
+}
+
+[Serializable, NetSerializable]
+public enum FlashVisualLayers : byte
+{
+    BaseLayer,
+    LightLayer,
+}