Update README.md

WeCodeMakeCode · web-flow · commit c49d03831e2d · 2020-08-08T10:06:06.000-05:00
diff --git a/README.md b/README.md
@@ -6,6 +6,9 @@
 - there is an image specification that allows any kind of image, 
 - and a couple of comments are changed.
 
+## Blocks
+![](/sprite-data-blocks.gif)
+
 ## Use as Extension
 
 This repository can be added as an **extension** in MakeCode.
