VGRoid support (#27659)

* Dungeon spawn support for grid spawns

* Recursive dungeons working

* Mask approach working

* zack

* More work

* Fix recursive dungeons

* Heap of work

* weh

* the cud

* rar

* Job

* weh

* weh

* weh

* Master merges

* orch

* weh

* vgroid most of the work

* Tweaks

* Tweaks

* weh

* do do do do do do

* Basic layout

* Ore spawning working

* Big breaking changes

* Mob gen working

* weh

* Finalising

* emo

* More finalising

* reverty

* Reduce distance

Content.Shared/Storage/EntitySpawnEntry.cs

@@ -5,6 +5,19 @@ using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototy
 
 namespace Content.Shared.Storage;
 
+/// <summary>
+/// Prototype wrapper around <see cref="EntitySpawnEntry"/>
+/// </summary>
+[Prototype]
+public sealed class EntitySpawnEntryPrototype : IPrototype
+{
+    [IdDataField]
+    public string ID { get; } = string.Empty;
+
+    [DataField]
+    public List<EntitySpawnEntry> Entries = new();
+}
+
 /// <summary>
 ///     Dictates a list of items that can be spawned.
 /// </summary>