chore: rename live-iso to iso

hosts/iso/configuration.nix

@@ -0,0 +1,43 @@
+{
+  pkgs,
+  lib,
+  inputs,
+  userKeys,
+  ...
+}:
+{
+  openssh.enable = true;
+
+  image.modules.iso-installer = {
+    isoImage.squashfsCompression = "zstd -Xcompression-level 6";
+  };
+
+  fileSystems."/" = lib.mkDefault {
+    device = "/dev/disk/by-label/nixos";
+    fsType = "ext4";
+  };
+  boot.loader.grub.device = lib.mkDefault "/dev/sda";
+
+  networking.firewall.allowedTCPPorts = [ 22 ];
+
+  users = {
+    groups.matej = {
+      gid = 1000;
+    };
+    users.matej = {
+      group = "matej";
+      uid = 1000;
+      isNormalUser = true;
+      home = "/home/matej";
+      createHome = true;
+      password = "burek123";
+      extraGroups = [
+        "wheel"
+        "users"
+      ];
+      openssh.authorizedKeys.keys = userKeys.sshAuthorizedKeys or [ ];
+    };
+  };
+
+  system.stateVersion = "25.05";
+}