feat(pkgs) add repo pack package

outputs/pkgs/default.nix

@@ -2,6 +2,7 @@
   perSystem = {pkgs, ...}: {
     packages = {
       live-buds-cli = pkgs.callPackage ./live-buds-cli {};
+      repopack = pkgs.callPackage ./repopack {};
     };
   };
 }

outputs/pkgs/repopack/default.nix

@@ -0,0 +1,27 @@
+{
+  lib,
+  buildNpmPackage,
+  fetchFromGitHub,
+}:
+buildNpmPackage rec {
+  pname = "repopack";
+  version = "0.1.24";
+
+  src = fetchFromGitHub {
+    owner = "yamadashy";
+    repo = "repopack";
+    rev = "v${version}";
+    hash = "sha256-+UcpfxMcG47j4fSOAXBvNgwKy0nSC6UKJvNc5G8c6U0=";
+  };
+
+  npmDepsHash = "sha256-Jyp48JNRuqxGSNi6eLrnOkF4Z+OResbtfbTYHg1S1mU=";
+
+  meta = {
+    description = ''
+      A powerful tool that packs your entire repository into a
+      single, AI-friendly file.
+    '';
+    homepage = "https://github.com/yamadashy/repopack";
+    mainProgram = "repopack";
+  };
+}