nixbook: add postman, gofmt, difftastic

nixos/default.nix

@@ -96,6 +96,7 @@ in {
     unzip
     fzf
     sops
+    lsof
   ];
 
   boot.kernel.sysctl = {

nixos/modules/work.nix

@@ -11,6 +11,7 @@ in {
       # nonfree vscode required for dev containers
       "vscode"
       "steam-run"
+      "postman"
     ];
 
   nixpkgs.config.permittedInsecurePackages = [

nixos/programs/libvertd.nix

@@ -0,0 +1,14 @@
+{config, ...}: let
+  user = config.user;
+in
+{
+  users.users.${user}.extraGroups = ["libvirtd" "kvm"];
+  virtualisation.libvirtd = {
+    enable = true;
+    nss = {
+      enable = true;
+      enableGuest = true;
+    };
+  };
+  programs.virt-manager.enable = true;
+}