docs: mention partitioning script in README

README.md

@@ -7,7 +7,7 @@ Clone the configuration into `etc/nixos`.
 On a new machine run:
 
 ```sh
-nixos-generate-config --root /mnt
+scripts/setup-partitions
 ```
 
 Then move the resulting `/etc/nixos/hardware-configuration.nix` to `./hardware/<config>.nix` and adjust it and the `flake.nix` accodringly.

scripts/setup-partitions

@@ -21,7 +21,7 @@ $drive
    |
    ├── $boot (boot partition, fat32)
    |
-   └── $system (LUKS2 system partition, btrfs)
+   └── $system (system partition, LUKS2 + btrfs)
            |
            ├── @ (mounted as /)
            |       |