finally nvim config setup begins

modules/nixos/apps/cli-apps/nixvim/default.nix

@@ -0,0 +1,31 @@
+{
+  options,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib;
+with lib.wyrdgard; let
+  cfg = config.wyrdgard.apps.cli-apps.nixvim;
+in {
+  options.wyrdgard.apps.cli-apps.nixvim = with types; {
+    enable = mkBoolOpt true "Whether to enable nixvim or not (Default true)";
+  };
+
+  config = mkIf cfg.enable {
+    programs.nixvim = {
+      enable = true;
+      colorschemes.tokyonight = enabled;
+      globals.mapleader = " ";
+
+      clipboard.providers.wl-copy = enabled;
+
+      options = {
+        number = true;
+        relativenumber = true;
+        shiftwidth = 2;
+      };
+    };
+  };
+}

modules/nixos/nix/default.nix

@@ -38,6 +38,7 @@ in {
       cfg.extra-substituters;
 
     environment.systemPackages = with pkgs; [
+      snowfallorg.flake
       nixfmt
       nix-prefetch-git
     ];