Add debug Gem

This will make debugging rspec examples easier.

Author: duncan-bayne

Gemfile

@@ -4,6 +4,7 @@ source "https://rubygems.org"
 
 gem "byebug", "~> 11.0", platforms: %i[mri mingw x64_mingw]
 gem "chunky_png", "~> 1.3"
+gem "debug", "~> 1.10", require: false, platform: :mri
 gem "image_size", "~> 2.0"
 gem "kramdown", "~> 2.0", require: false
 gem "pdf-reader", "~> 2.12"

spec/spec_helper.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require "bundler/setup"
+require "debug"
 require "rspec"
 require "rspec/wait"
 require "pathname"