Meanwhile it could be helpful to create a post just about the code formatting in the welcome category and pin it there:
Then we can link it for newcomers when needed instead of writing the same instructions again and again.
I have added a section to the already pinned Quick Start message:
…but I think the section gets lost in the relatively long message and when I link the section of the message it shows the beginning of the message in the preview, not the linked section. You can see the useless preview above.