Make a hosts folder for system and home, remove legacy.nix cause I never used it, change some comments

system/hosts/JimLenovo/hardware-configuration.nix

@@ -0,0 +1,47 @@
+{ config, lib, pkgs, modulesPath, ... }: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  # Set all boot options
+  boot = {
+    # Set a kernel version and load/blacklist drivers    
+    kernelPackages = pkgs.linuxPackages_zen;
+    blacklistedKernelModules = [
+      "pcspkr"
+    ];               
+    kernel.sysctl."vm.max_map_count" = 2147483642;       
+    initrd = {
+      availableKernelModules = [
+        "nvme"
+	"xhci_pci"
+	"usbhid"
+	"usb_storage"
+	"sd_mod"
+	"sdhci_pci"
+      ];
+      kernelModules = [
+	"kvm-amd"
+      ];
+    };
+  };
+
+  # Mount everything as necessary
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-uuid/c0fe8419-88f9-48a0-8c5b-acd4c11f8037";
+      fsType = "ext4";
+    };
+    "/boot" = {
+      device = "/dev/disk/by-uuid/BF2B-9AE0";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+  };
+
+  # Enables DHCP on each ethernet and wireless interface.
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}