feat(boards): python3下turtle添加 stamp 方法

common/msg/blockly/en.js

@@ -1776,6 +1776,7 @@ En.TURTLE_POS_SHAPE = "Get the turtle currently";
 En.TURTLE_POS = "Get the current position of the turtle";
 En.TURTLE_SHAPE = "shape";
 En.TURTLE_HEADING = "Heading";
+En.TURTLE_STAMP = "Stamp";
 En.MIXLY_TOOLTIP_TURTEL_POS = 'Get the turtle\'s current position and return a tuple containing the current position x and y coordinates';
 En.MIXLY_TOOLTIP_TURTEL_SHAPE = 'Get the turtle\'s current shape and return a string';
 En.MIXLY_TOOLTIP_TURTEL_GET_SPEED = "get the turtles current speed and return an integer;";