nvim: add formatters

modules/programs/nvim/default.nix

@@ -42,9 +42,16 @@ in
       withPython3 = true;
       extraLuaConfig = builtins.readFile ./init.lua;
       extraPackages = with pkgs; [
-        sumneko-lua-language-server
+        black
+        isort
         nil
+        nixpkgs-fmt
+        rustfmt
+        shfmt
         stylua
+        sumneko-lua-language-server
+        taplo
+        yamlfmt
       ];
       plugins = with pkgs.vimPlugins; [
         catppuccin-nvim

modules/programs/nvim/init.lua

@@ -192,7 +192,24 @@ require("formatter").setup({
       -- "lua" filetype
       require("formatter.filetypes.lua").stylua,
     },
-
+    nix = {
+      require("formatter.filetypes.nix").nixpkgs_fmt,
+    },
+    python = {
+      require("formatter.filetypes.python").black,
+    },
+    rust = {
+      require("formatter.filetypes.rust").rustfmt,
+    },
+    sh = {
+      require("formatter.filetypes.sh").shfmt,
+    },
+    toml = {
+      require("formatter.filetypes.toml").taplo,
+    },
+    yaml = {
+      require("formatter.filetypes.yaml").yamlfmt,
+    },
     -- Use the special "*" filetype for defining formatter configurations on
     -- any filetype
     ["*"] = {