Revert "nvim: disable diagnostic virtual_text for markdown file type"
Revert "nvim: disable diagnostic virtual_text for markdown file type"

This reverts commit 808678ed0876973c1edb53a7c20a79644a262126.

Signed-off-by: nkcfan <8fb123469a2ca2d4fe182486f6c7ea6b2b090d4f@users.noreply.github.com>

nkcfan/Dotfiles,nkcfan/Dotfiles,nkcfan/Dotfiles