add pmbootstrap

modules/pmbootstrap.nix

@@ -0,0 +1,17 @@
+{ config, pkgs, ... }:
+
+{
+  users.users.yoda = {
+    packages = with pkgs; [
+      pmbootstrap
+    ];
+  };
+
+  # For netboot, port 9999 has to be opened.
+  networking.firewall.allowedTCPPorts = [ 9999 ];
+  # Sadly, the tool does not detect the phone. Not sure why. I double checked that port 9999 is open:
+  # sudo iptables -nL
+  # #=> Chain nixos-fw (1 references)
+  # #=> target     prot opt source               destination
+  # #=> nixos-fw-accept  6    --  0.0.0.0/0            0.0.0.0/0            tcp dpt:9999
+}