restructure folder organisation

machines/serverle/hardware-configuration.nix

@@ -0,0 +1,33 @@
+{ config, pkgs, lib, ... }:
+{
+  boot.loader = {
+    raspberryPi = {
+      firmwareConfig = ''
+        # Disable the ACT LED.
+        dtparam=act_led_trigger=none
+        dtparam=act_led_activelow=off
+        # Disable the PWR LED.
+        dtparam=pwr_led_trigger=none
+        dtparam=pwr_led_activelow=off
+
+        # Disable ethernet port LEDs
+        dtparam=eth0_led=4
+        dtparam=eth1_led=4
+    
+        # Disable SD-Card pools
+        dtparam=sd_pool_once=on
+      '';
+
+      # the bootloader has to be enabled for fat systems. for ext use the other one.
+      enable = true;
+      version = 4;
+    };
+    generic-extlinux-compatible.enable = false;
+  };
+
+  # Kernel configuration
+  boot.kernelParams = [ "cma=64M" "console=tty0" ];
+
+  # Fix wifi disconnect
+  networking.networkmanager.wifi.powersave = false;
+}