The code block formatting is fine it was added as (without the “”)
"``` swift
[code here]
"```
It highlights as follows, but the issue is the colour it provides, I don’t like it. It gets highlighted as below. (see the red colour “jjj”, I want to have it in blue colour.
But I want something like the following
Is it possible to edit a file etc via terminal? so I can change the default colours assigned for a specific language?

