feat: add package ocamlPackages.nice_parser

pkgs/development/ocaml-modules/nice_parser/default.nix

···
+{
+  lib,
+  buildDunePackage,
+  fetchFromGitHub,
+  stdio,
+}:
+
+buildDunePackage rec {
+  pname = "nice_parser";
+  version = "1.0.0";
+  minimalOCamlVersion = "4.07";
+
+  src = fetchFromGitHub {
+    owner = "smolkaj";
+    repo = "nice-parser";
+    tag = version;
+    hash = "sha256-h1rqdv19tUH3CsL3OLsTmKir7YCYt4PaW19ymotEvIY=";
+  };
+
+  propagatedBuildInputs = [
+    stdio
+  ];
+
+  meta = {
+    inherit (src.meta) homepage;
+    description = "Nice parsers without the boilerplate";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.tiferrei ];
+  };
+}

pkgs/top-level/ocaml-packages.nix

···
 
     netchannel = callPackage ../development/ocaml-modules/netchannel { };
 
+    nice_parser = callPackage ../development/ocaml-modules/nice_parser { };
+
     ninja_utils = callPackage ../development/ocaml-modules/ninja_utils { };
 
     nonstd =  callPackage ../development/ocaml-modules/nonstd { };