Make home-manager config for ll-latitude-e5591 build again

nixos/features/hardware/printing.nix

@@ -0,0 +1,10 @@
+{ pkgs, ... }: {
+  services.printing.enable = true;
+  services.printing.drivers = with pkgs; [ brlaser hplipWithPlugin ];
+
+  services.avahi = {
+    enable = true;
+    nssmdns4 = true;
+    openFirewall = true;
+  };
+}

nixos/features/hardware/rtl-sdr.nix

@@ -0,0 +1,12 @@
+{ pkgs, unstable, ... }: {
+  hardware.rtl-sdr.enable = true;
+  users.users.lauren_lagarde.extraGroups = [ "plugdev" ];
+
+  services.udev.packages = [ pkgs.rtl-sdr ];
+
+  environment.systemPackages = with pkgs; [
+    gnuradio
+    soapyrtlsdr
+    gqrx
+  ];
+}

nixos/features/hardware/yubikey.nix

@@ -0,0 +1,17 @@
+{ pkgs, lib, ... }: {
+  environment.systemPackages = with pkgs; [
+		yubikey-personalization
+  ];
+
+	services.udev.packages = with pkgs; [
+		yubikey-personalization
+  ];
+
+	services.pcscd.enable = true;
+  programs.ssh.startAgent = false;
+
+	programs.gnupg.agent = {
+		enable = true;
+		enableSSHSupport = true;
+  };
+}