nimPackages.smtp: package broken out of standard library

pkgs/development/nim-packages/smtp/default.nix

···
+{ lib, buildNimPackage, fetchFromGitHub }:
+
+buildNimPackage (final: prev: {
+  pname = "smtp";
+  version = "unstable-2023-03-04";
+  src = fetchFromGitHub {
+    owner = "nim-lang";
+    repo = "smtp";
+    rev = "8013aa199dedd04905d46acf3484a232378de518";
+    hash = "sha256-7jPykp79nAY1G0CSajyn6Jw/Ad+XCulBk9HjtKMPEQ4=";
+  };
+  meta = final.src.meta // {
+    description = "SMTP client";
+    homepage = "https://github.com/nim-lang/smtp";
+    license = [ lib.licenses.mit ];
+    maintainers = with lib.maintainers; [ ehmry ];
+  };
+})

pkgs/top-level/nim-packages.nix

···
 
     nimraylib-now = callPackage ../development/nim-packages/nimraylib-now { };
 
+    smtp = callPackage ../development/nim-packages/smtp { };
+
     spry = callPackage ../development/nim-packages/spry { };
 
     spryvm = callPackage ../development/nim-packages/spryvm { };