Markdown: incorrect slash in file path on Windows machine

[n0harm]

We have temporarly fixed the forward slash issue by adding .replace("#2",n.replaceAll("\", "/")) line 183 in tree.ts

[d-koppenhagen]

Feel free to send me a PR, as I don't find the time to tackle this issue and debug/fix it (also cause I am working with macOS).

[d-koppenhagen]

Feel free to send me a PR, as I don't find the time to tackle this issue and debug/fix it (also cause I am working with macOS).