feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/spawnableasset.txt

@@ -0,0 +1,51 @@
+URL: https://wiki.studiominus.nl/internalReference/SpawnableAsset.html
+Title: People Playground Modding - SpawnableAsset
+==================================================
+
+public class SpawnableAsset
+Inherits ScriptableObject
+[CreateAssetMenu(menuName = "PPG/Spawnable Asset")]
+No description provided
+Fields
+public string Description
+[TextArea(20, 100)]
+No description provided
+
+public string NameToOrderBy
+No description provided
+
+public bool VisibleInCatalog
+No description provided
+
+public Category Category
+[Space]
+No description provided
+
+public GameObject Prefab
+[Space] [NaughtyAttributes.ShowAssetPreview(256, 256)]
+No description provided
+
+public Sprite ViewSprite
+[Space] [NaughtyAttributes.ShowAssetPreview(256, 256)]
+No description provided
+
+public Sprite DragSprite
+[System.Obsolete] [HideInInspector]
+No description provided
+
+public bool HasPriorName
+[Space]
+No description provided
+
+public string PriorName
+[NaughtyAttributes.ShowIf(nameof(HasPriorName))]
+No description provided
+
+public MigrationEvent[] MigrationEvents
+[SkipSerialisation]
+No description provided
+
+Properties
+public bool IsLocked
+[SkipSerialisation]
+No description provided