add terror zones (#2)

pkg/memory/terrorzones.go

@@ -0,0 +1,18 @@
+package memory
+
+import (
+	"github.com/hectorgimenez/d2go/pkg/data/area"
+)
+
+func (gd *GameReader) TerrorZones() (areas []area.Area) {
+	tz := gd.moduleBaseAddressPtr + 0x299E2D8
+
+	for i := 0; i < 7; i++ {
+		tzArea := gd.ReadUInt(tz+uintptr(i*Uint32), Uint32)
+		if tzArea != 0 {
+			areas = append(areas, area.Area(tzArea))
+		}
+	}
+
+	return
+}