restructure folder organisation

legacy/modules/power.nix

@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+{
+  environment.systemPackages = [
+    config.boot.kernelPackages.cpupower
+    pkgs.powertop
+    pkgs.s-tui
+  ];
+
+  powerManagement = {
+    cpuFreqGovernor = lib.mkDefault "powersave";
+    #powertop.enable = true; # messes up usb mouse
+  };
+
+  services = {
+    thermald.enable = true;
+    upower.enable = true;
+  };
+}