Update src/extension-support/tw-extension-api-common.js

src/extension-support/tw-extension-api-common.js

@@ -2,6 +2,7 @@ const ArgumentType = require('./argument-type');
 const ArgumentAlignment = require('./argument-alignment');
 const BlockType = require('./block-type');
 const BlockShape = require('./block-shape');
+const NotchShape = require('./notch-shape');
 const TargetType = require('./target-type');
 const Cast = require('../util/cast');
 const Clone = require('../util/clone');
@@ -12,10 +13,11 @@ const Scratch = {
     ArgumentAlignment,
     BlockType,
     BlockShape,
+    NotchShape,
     TargetType,
     Cast,
     Clone,
     Color
 };
 
-module.exports = Scratch;
+module.exports = Scratch;