home: Neovim improvements

- Move Neovim to separate module
- Install a few langauge servers

home/profile/base.nix

@@ -15,6 +15,7 @@ in
 
   config = lib.mkIf cfg.enable {
     nixfiles.programs.comma.enable = true;
+    nixfiles.programs.neovim.enable = lib.mkDefault true;
     nixfiles.common.nix.enable = true;
 
     home.sessionVariables = lib.mkMerge [
@@ -112,13 +113,6 @@ in
     # some packages defined here may be redundant with packages on a non-NixOS
     # home-manager setup, but it's better to have a consistent environment at
     # the cost of slightly more space
-    programs.neovim = {
-      enable = lib.mkDefault true;
-      vimAlias = lib.mkDefault true;
-      withPython3 = lib.mkDefault true;
-      defaultEditor = lib.mkDefault true;
-    };
-
     home.packages = with pkgs; let
       neofetch-hyfetch-shim = writeShellScriptBin "neofetch" ''
         exec "${pkgs.hyfetch}/bin/neowofetch" "$@"

home/programs/default.nix

@@ -5,5 +5,6 @@
     ./mopidy.nix
     ./hypridle.nix
     ./dunst.nix
+    ./neovim.nix
   ];
 }

home/programs/neovim.nix

@@ -0,0 +1,21 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.nixfiles.programs.neovim;
+in
+{
+  options.nixfiles.programs.neovim.enable = lib.mkEnableOption "the Neovim configuration";
+  config = lib.mkIf cfg.enable {
+    programs.neovim = {
+      enable = true;
+      vimAlias = lib.mkDefault true;
+      withPython3 = lib.mkDefault true;
+      defaultEditor = lib.mkDefault true;
+      extraPackages = with pkgs; [
+        lua-language-server
+        rust-analyzer
+        vscode-langservers-extracted
+        pyright
+      ];
+    };
+  };
+}