refactor(flake-parts): initial flake-parts configuration

system/hosts/ookst480s/default.nix

@@ -1,40 +0,0 @@
-{ config, inputs, pkgs, ... }:
-
-{
-	imports = [
-    inputs.hardware.nixosModules.lenovo-thinkpad-t480s
-		./hardware-configuration.nix
-    ../../profiles
-		];
-
-    activeProfiles = ["base"];
-
-		systemModules = {
-			user = {
-				ooks.enable = true;
-				shell = "fish";
-			};
-			hardware = {
-				cpu.type = "intel";
-				gpu.type = "intel";
-				features = [ "bluetooth" "backlight" "battery" ];
-				battery = {
-					powersave = {
-						minFreq = 800;
-						maxFreq = 1800;
-					};
-					performance = {
-						minFreq = 1800;
-						maxFreq = 3600;
-					};
-				};
-			};
-		};
-
-		networking = {
-  		hostName = "ookst480s"; 		
-		};
-    boot = {
-      kernelPackages = pkgs.linuxKernel.packages.linux_zen;
-    };
-}