Add lwh method to box3d

Author: roshambo919

avstack/geometry/bbox.py

@@ -486,6 +486,10 @@ def size(self):
     @property
     def hwl(self):
         return self.size
+    
+    @property
+    def lwh(self):
+        return list(reversed(self.hwl))
 
     @property
     def volume(self):