Shadow anomaly returns (#24629)

* content

* add cat

* ambient

* I FORGOT HEARTS!

* fix ambient

* some fixes

* canCollide: false

* connect to damageable

* pi

* remove fx

* some fixes

* *sad bruh*

* hazed

* Update base_shadow.yml

Content.Server/Flash/DamagedByFlashingSystem.cs

@@ -0,0 +1,22 @@
+using Content.Server.Flash.Components;
+using Content.Shared.Damage;
+
+namespace Content.Server.Flash;
+public sealed class DamagedByFlashingSystem : EntitySystem
+{
+    [Dependency] private readonly DamageableSystem _damageable = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<DamagedByFlashingComponent, FlashAttemptEvent>(OnFlashAttempt);
+    }
+    private void OnFlashAttempt(Entity<DamagedByFlashingComponent> ent, ref FlashAttemptEvent args)
+    {
+        _damageable.TryChangeDamage(ent, ent.Comp.FlashDamage);
+
+        //To Do: It would be more logical if different flashes had different power,
+        //and the damage would be inflicted depending on the strength of the flash.
+    }
+}