Community Suggestion: Possibility of adding blocks function

[J.V.B (Jorge VB)]

Some years ago I used to program with Scratch. I saw that the Scratch community have an option to add Scratch blocks that you can fully personalise.
Example image:

I think it would be a great way to share program fragments, or just write a post in a fun way.

Fun example:

Thanks.

[Diego (Diego Barreiro Pérez)]

By now, we have this :

Using yUML in your posts