Unique name identifiers (#6697)

Content.Server/NameIdentifier/NameIdentifierComponent.cs

@@ -0,0 +1,11 @@
+using Content.Shared.NameIdentifier;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.NameIdentifier;
+
+[RegisterComponent]
+public sealed class NameIdentifierComponent : Component
+{
+    [DataField("group", required: true, customTypeSerializer:typeof(PrototypeIdSerializer<NameIdentifierGroupPrototype>))]
+    public string Group = string.Empty;
+}