Adds the ability to not play admin sounds (#8242)

Co-authored-by: ike709 <ike709@github.com>
Co-authored-by: Vera Aguilera Puerto <6766154+Zumorica@users.noreply.github.com>

Content.Shared/Audio/SharedAdminSoundSystem.cs

@@ -0,0 +1,21 @@
+using Robust.Shared.Audio;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Audio;
+
+
+public abstract class SharedAdminSoundSystem : EntitySystem
+{
+}
+
+[Serializable, NetSerializable]
+public sealed class AdminSoundEvent : EntityEventArgs
+{
+    public string Filename;
+    public AudioParams? AudioParams;
+    public AdminSoundEvent(string filename, AudioParams? audioParams = null)
+    {
+        Filename = filename;
+        AudioParams = audioParams;
+    }
+}