router: add some utils

machines/router/build.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+#
+
+mkdir output/
+
+nom-build -A outputs.tftpboot  -o output/result

machines/router/serve.sh

@@ -0,0 +1,3 @@
+#! /usr/bin/env bash
+
+sudo capsh --keep=1 --user="$USER" --inh='cap_net_bind_service'  --addamb='cap_net_bind_service' -- -c 'tftpy_server.py -r ./output'

machines/router/shell.nix

@@ -0,0 +1,10 @@
+let
+  pkgs = import (import ./npins).nixpkgs {};
+in
+  pkgs.mkShell {
+    packages = with pkgs; [
+      python3.pkgs.tftpy
+      minicom
+    ];
+
+  }