feat: basic context menu port

Dalamud/Game/Gui/ContextMenus/InventoryItemContext.cs

@@ -0,0 +1,36 @@
+namespace Dalamud.Game.Gui.ContextMenus
+{
+    /// <summary>
+    /// Provides inventory item context to a context menu.
+    /// </summary>
+    public class InventoryItemContext
+    {
+        /// <summary>
+        /// The id of the item.
+        /// </summary>
+        public uint Id { get; }
+
+        /// <summary>
+        /// The count of the item in the stack.
+        /// </summary>
+        public uint Count { get; }
+
+        /// <summary>
+        /// Whether the item is high quality.
+        /// </summary>
+        public bool IsHighQuality { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="InventoryItemContext"/> class.
+        /// </summary>
+        /// <param name="id">The id of the item.</param>
+        /// <param name="count">The count of the item in the stack.</param>
+        /// <param name="isHighQuality">Whether the item is high quality.</param>
+        public InventoryItemContext(uint id, uint count, bool isHighQuality)
+        {
+            Id = id;
+            Count = count;
+            IsHighQuality = isHighQuality;
+        }
+    }
+}