refactor(boards): 规范化arduino板卡代码

boards/default_src/arduino_avr/blocks/logic.js

@@ -133,7 +133,6 @@ export const logic_null = {
     }
 };
 
-
 export const logic_true_or_false = {
     init: function () {
         this.setColour(LOGIC_HUE);
@@ -146,4 +145,4 @@ export const logic_true_or_false = {
         this.setInputsInline(true);
         this.setTooltip(Blockly.Msg.MIXLY_TOOLTIP_LOGIT_TRUEORFALSE);
     }
-};
+};