feat: add sd flash command and rekey ages

pi/bootstrap.nix

@@ -1,32 +1,8 @@
 { modulesPath, ... }:
 
 {
-  imports = [ "${modulesPath}/installer/sd-card/sd-image-aarch64.nix" ];
-
-  hardware.enableRedistributableFirmware = true;
-
-  networking.hostName = "noisebridge-pi";
-
-  networking.wireless = {
-    enable = true;
-    networks = {
-      "Noisebridge" = {
-        psk = "noisebridge";
-      };
-    };
-  };
-
-  services.avahi = {
-    enable = true;
-    nssmdns4 = true;
-    publish = {
-      enable = true;
-      addresses = true;
-    };
-  };
-
-  services.openssh.enable = true;
-  users.users.root.openssh.authorizedKeys.keys = [
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE40ISu3ydCqfdpb26JYD5cIN0Fu0id/FDS+xjB5zpqu"
+  imports = [
+    "${modulesPath}/installer/sd-card/sd-image-aarch64.nix"
+    ./configuration.nix
   ];
 }