Salvage expeditions (#12745)

Content.Shared/Procedural/Loot/BiomeTemplateLoot.cs

@@ -0,0 +1,13 @@
+using Content.Shared.Parallax.Biomes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Shared.Procedural.Loot;
+
+/// <summary>
+/// Adds a biome template layer for dungeon loot.
+/// </summary>
+public sealed class BiomeTemplateLoot : IDungeonLoot
+{
+    [DataField("proto", required: true, customTypeSerializer:typeof(PrototypeIdSerializer<BiomeTemplatePrototype>))]
+    public string Prototype = string.Empty;
+}