fix pmbootstrap

modules/pmbootstrap.nix

@@ -1,16 +1,15 @@
 { config, pkgs, ... }:
 {
-  users.users.yoda = {
-    packages = with pkgs; [
-      pmbootstrap
-    ];
-  };
+  imports = [
+    # Provides fastboot and udev rules
+    ./android.nix
+  ];
 
-  # 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
+  environment.systemPackages = with pkgs; [
+    unstable.pmbootstrap
+  ];
+
+  # Required to serve the postmarketOS image via netboot.
+  # https://wiki.postmarketos.org/wiki/Netboot#Usage
+  networking.firewall.allowedTCPPorts = [ 9999 ];
 }