now using flake-parts; refactored nixosConfigurations; using hm standalone

hosts/trantor/hardware-configuration.nix

@@ -0,0 +1,27 @@
+{
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  boot = {
+    kernelModules = [ ];
+    extraModulePackages = [ ];
+    initrd = {
+      availableKernelModules = [
+        "xhci_pci"
+        "virtio_pci"
+        "virtio_scsi"
+        "usbhid"
+      ];
+      kernelModules = [ ];
+    };
+  };
+
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+}