Add runeword flag (#24)

pkg/data/items.go

@@ -61,6 +61,7 @@ type Item struct {
 	BaseStats  stat.Stats
 	Stats      stat.Stats
 	Identified bool
+	IsRuneword bool
 }
 
 type Drop struct {

pkg/memory/item.go

@@ -241,4 +241,7 @@ func setProperties(item *data.Item, flags uint32) {
 	if 0x00000010&flags != 0 {
 		item.Identified = true
 	}
+	if 0x04000000&flags != 0 {
+		item.IsRuneword = true
+	}
 }