feat: NixOS | set user initial password and format file

nixos/configuration.nix

@@ -1,13 +1,16 @@
 # Edit this configuration file to define what should be installed on
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
-
-{ config, lib, inputs, pkgs, hostname, ... }:
-
-let
-  secretspath = builtins.toString inputs.nix-secrets;
-in
 {
+  config,
+  lib,
+  inputs,
+  pkgs,
+  hostname,
+  ...
+}: let
+  secretspath = builtins.toString inputs.nix-secrets;
+in {
   # Bootloader.
   boot = {
     loader = {
@@ -126,6 +129,7 @@ in
     isNormalUser = true;
     description = "Shahab Dogar";
     extraGroups = ["networkmanager" "wheel" "input" "libvirtd"];
+    initialHashedPassword = "$y$j9T$jSC0CJxh6O.Q3TEOVZR8l.$7kFf9u4Lh.aIH6o/15wFLW7OKPzoUEpWVN5B9wHEaw4";
     hashedPasswordFile = config.sops.secrets."user_passwords/shahab".path;
   };