Add gr-plot gem to development group in Gemfile

kojix2 · kojix2 · commit 82b2c65d3902 · 2025-05-04T15:08:11.000+09:00
diff --git a/Gemfile b/Gemfile
@@ -16,4 +16,5 @@ end
 group :development do
   gem 'colorize'
   gem 'diffy'
+  gem 'gr-plot'
 end
