feat: add 'rustfmt' for rust formatting

dots/.config/nvim/after/plugin/conform.lua

@@ -13,14 +13,15 @@ require("conform").setup({
     gdscript = { "gdformat" },
     haskell = { "ormolu" },
     html = { "prettierd", "prettier", stop_after_first = true },
-    lua = { "stylua" }, -- configured in stylua.toml
-    markdown = { "prettierd", "prettier", stop_after_first = true },
-    nix = { "nixfmt" },
     javascript = { "eslint_d", "eslint", "prettierd", "prettier", stop_after_first = true },
     javascriptreact = { "eslint_d", "eslint", "prettierd", "prettier", stop_after_first = true },
     json = { "prettierd", "prettier", stop_after_first = true },
     jsonc = { "prettierd", "prettier", stop_after_first = true },
+    lua = { "stylua" }, -- configured in stylua.toml
+    markdown = { "prettierd", "prettier", stop_after_first = true },
+    nix = { "nixfmt" },
     python = { "isort", "black" },
+    rustfmt = { "rustfmt" },
     svelte = { "eslint_d", "prettierd", "prettier", stop_after_first = true },
     typescript = { "eslint_d", "prettierd", "prettier", stop_after_first = true },
     typescriptreact = { "eslint_d", "eslint", "prettierd", "prettier", stop_after_first = true },

dots/.config/nvim/flake.nix

@@ -69,14 +69,15 @@
               gawk
               gdtoolkit_4
               isort
-              tree-sitter
-              ormolu
-              nodePackages.prettier
               nixd
               nixfmt
+              nodePackages.prettier
+              ormolu
               prettierd
+              rustfmt
               shellcheck-minimal
               stylua
+              tree-sitter
               vscode-langservers-extracted
             ];
           };