.dir-locals.el: Set additional lambda indentation to zero
.dir-locals.el: Set additional lambda indentation to zero

NixOS/nix,ehmry/nix,ehmry/nix,ehmry/nix,NixOS/nix,rycee/nix,rycee/nix,rycee/nix,NixOS/nix,NixOS/nix,pikajude/nix,ehmry/nix,rycee/nix,rycee/nix,ehmry/nix,NixOS/nix,pikajude/nix,ehmry/nix,pikajude/nix