feat(formatters): add nufmt config

README.md

@@ -287,6 +287,7 @@ You can view this list in vim with `:help conform-formatters`
 - [mojo_format](https://docs.modular.com/mojo/cli/format) - Official Formatter for The Mojo Programming Language
 - [nickel](https://nickel-lang.org/) - Code formatter for the Nickel programming language.
 - [nimpretty](https://github.com/nim-lang/nim) - nimpretty is a Nim source code beautifier that follows the official style guide.
+- [nufmt](https://github.com/nushell/nufmt) - The nushell formatter.
 - [nixfmt](https://github.com/NixOS/nixfmt) - The official (but not yet stable) formatter for Nix code.
 - [nixpkgs_fmt](https://github.com/nix-community/nixpkgs-fmt) - nixpkgs-fmt is a Nix code formatter for nixpkgs.
 - [npm-groovy-lint](https://github.com/nvuillam/npm-groovy-lint) - Lint, format and auto-fix your Groovy / Jenkinsfile / Gradle files using command line.

doc/conform.txt

@@ -397,6 +397,7 @@ FORMATTERS                                                    *conform-formatter
 `nickel` - Code formatter for the Nickel programming language.
 `nimpretty` - nimpretty is a Nim source code beautifier that follows the
             official style guide.
+`nufmt` - The nushell formatter.
 `nixfmt` - The official (but not yet stable) formatter for Nix code.
 `nixpkgs_fmt` - nixpkgs-fmt is a Nix code formatter for nixpkgs.
 `npm-groovy-lint` - Lint, format and auto-fix your Groovy / Jenkinsfile / Gradle

lua/conform/formatters/nufmt.lua

@@ -0,0 +1,10 @@
+---@type conform.FileFormatterConfig
+return {
+  meta = {
+    url = "https://github.com/nushell/nufmt",
+    description = "The nushell formatter",
+  },
+  command = "nufmt",
+  args = { "$FILENAME" },
+	stdin = false,
+}