Initial commit from Vintage Story mod template

This commit adds dummy compass item wich will just send the angle into
the chat when you click RMB on it.

ManualCartography/Items/ItemCompass.cs

@@ -0,0 +1,20 @@
+using System;
+using Vintagestory.API.Client;
+using Vintagestory.API.Common;
+
+namespace ManualCartography.Items;
+
+public class ItemCompass : Item
+{
+    public override void OnHeldInteractStart(
+        ItemSlot slot,
+        EntityAgent byEntity,
+        BlockSelection blockSel,
+        EntitySelection entitySel,
+        bool firstEvent,
+        ref EnumHandHandling handling
+    )
+    {
+        (api as ICoreClientAPI)?.TriggerChatMessage("Yaw: " + (byEntity.Pos.Yaw * 180 / Math.PI));
+    }
+}