Add PenumbraAPI & GlamourerAPI + Update API & Connector

Penumbra.Api/Enums/ChangedItemType.cs

@@ -0,0 +1,17 @@
+namespace Penumbra.Api.Enums;
+
+/// <summary>
+/// Describes known types of changed items that could provide special care.
+/// </summary>
+public enum ChangedItemType
+{
+    None          = 0,
+    Item          = 1,
+    Action        = 2,
+    Customization = 3,
+    ItemOffhand   = 4,
+    Unknown       = 5,
+    Emote         = 6,
+    Model         = 7,
+    CustomArmor   = 8,
+}