nvf modif

modules/nix/nvf.nix

@@ -8,6 +8,7 @@ programs.nvf = {
         vimAlias = true;
         lsp = {
           enable = true;
+          servers.nil.enable = true;
         };
         languages = {
           nix.enable = true;
@@ -18,10 +19,14 @@ programs.nvf = {
 	 enable = true;
 	 name = lib.mkDefault "dracula";
 	};
+        treesitter.enable = true;
 	statusline.lualine.enable = true;
 	telescope.enable = true;
 	autocomplete.nvim-cmp.enable = true;
       };
     };
   };
+  environment.systemPackages = [
+    pkgs.nil
+  ];
 }