nix: flatten homeModule implementation

nix/homeModules/common/neovim.nix

@@ -0,0 +1,61 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+{
+  options.programs.neovim.extraLangServers = {
+    enable = lib.mkEnableOption "miscellaneous language servers";
+  };
+
+  config = {
+    programs.neovim = {
+      defaultEditor = true;
+      extraPackages = lib.mkMerge [
+
+        # might be useful for servers
+        [
+          # shell
+          pkgs.nodePackages.bash-language-server
+          pkgs.shellcheck
+          pkgs.shfmt
+        ]
+
+        (lib.mkIf config.programs.neovim.extraLangServers.enable [
+          # lua
+          pkgs.lua-language-server
+          pkgs.stylua
+
+          pkgs.nil # nix
+          pkgs.yaml-language-server # yaml
+
+          pkgs.nodePackages.pyright # python
+
+          pkgs.marksman # markdown
+          pkgs.taplo # toml
+          pkgs.lemminx # xml
+          # pkgs.texlab # latex
+        ])
+
+      ];
+    };
+
+    xdg.configFile =
+      let
+        fr_utf-8_spl = builtins.fetchurl {
+          url = "http://ftp.vim.org/vim/runtime/spell/fr.utf-8.spl";
+          sha256 = "abfb9702b98d887c175ace58f1ab39733dc08d03b674d914f56344ef86e63b61";
+        };
+        fr_utf-8_sug = builtins.fetchurl {
+          url = "http://ftp.vim.org/vim/runtime/spell/fr.utf-8.sug";
+          sha256 = "0294bc32b42c90bbb286a89e23ca3773b7ef50eff1ab523b1513d6a25c6b3f58";
+        };
+      in
+      lib.mkIf config.programs.neovim.enable {
+        "nvim/spell/fr.utf-8.spl".source = fr_utf-8_spl;
+        "nvim/spell/fr.utf-8.sug".source = fr_utf-8_sug;
+      };
+  };
+}