neovim: use nixvim

hosts/default.nix

@@ -9,6 +9,7 @@ let
   lib = nixpkgs.lib;
   hmImports = [
     (import ./home.nix)
+    inputs.nixvim.homeManagerModules.nixvim
   ];
   hmArgs = { inherit user configDir; };
 in

hosts/home.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, user, ... }:
+{ inputs, config, pkgs, user, ... }:
 
 let
   theme = import ../modules/theme;
@@ -21,7 +21,7 @@ in
     ../modules/todo-txt
 
     ../modules/fantasia-archive
-  ];
+  ]; 
 
   home.file."./.background-image".source = theme.wallpaper;