Occasionally I use vim on systems to work on guix and other projects. As far as I see it, there is nothing similar to .dir-locals.el (the per directory local variables in emacs) for vim.
We should include modelines for every file to reflect what .dir-locals.el does when you use emacs. It's probably an unpopular opinion, but I think we should do this to be more open to people who do not use emacs. Support for vim and emacs covers most editors which are there to support.
