Relative linked files in fetched readme not showing up

[heroheman]

Example: https://kirby.directory/#/detail/200/kirby-hero-field

[heroheman]

Well - i tried it.
The problem is, that relative linked files in github repositories dont have converted urls.
I tried my luck with regex and ... well i am bad with regex.
Will postpone this to a very sad day in the future.
Regex.