First cut of pagebreak on macOS

.gitignore

@@ -1 +1,19 @@
-node_modules
+node_modules
+.DS_Store
+.jekyll-cache
+_site
+*.gem
+*.tgz
+package/
+yarn-error.log
+package-lock.json
+**/.yarn/*
+!**/.yarn/patches
+!**/.yarn/releases
+!**/.yarn/plugins
+!**/.yarn/sdks
+!**/.yarn/versions
+.pnp.*
+.nyc_output
+coverage
+target

generator-plugins/jekyll/.rubocop.yml

@@ -0,0 +1,4 @@
+require: rubocop-jekyll
+
+inherit_gem:
+  rubocop-jekyll: .rubocop.yml

generator-plugins/jekyll/Gemfile

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gemspec

generator-plugins/jekyll/Rakefile

@@ -0,0 +1,3 @@
+# frozen_string_literal: true
+
+require "bundler/gem_tasks"

generator-plugins/jekyll/jekyll-pagebreak.gemspec

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+$LOAD_PATH.unshift File.expand_path("lib", __dir__)
+require "jekyll-pagebreak/version"
+
+Gem::Specification.new do |spec|
+  spec.name          = "jekyll-pagebreak"
+  spec.version       = JekyllPagebreak::VERSION
+  spec.authors       = ["Liam Bigelow"]
+  spec.email         = ["liam@cloudcannon.com"]
+  spec.homepage      = "https://github.com/CloudCannon/pagebreak"
+  spec.summary       = "A Jekyll plugin to paginate the output of any static site generator"
+
+  spec.files         = `git ls-files lib exe`.split("\n")
+  spec.platform      = Gem::Platform::RUBY
+  spec.require_paths = ["lib"]
+  spec.license       = "MIT"
+
+  spec.add_dependency "jekyll", ">= 3.7", "< 5.0"
+  spec.add_development_dependency "rake", ">= 12.3.3"
+  spec.add_development_dependency "rubocop-jekyll", "~> 0.5.1"
+end

generator-plugins/jekyll/lib/jekyll-pagebreak.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require "jekyll"
+
+Jekyll::Hooks.register :site, :post_write do |site|
+  puts "Running pagebreak in-place"
+  executable = File.expand_path("../../exe/pagebreak", __FILE__)
+  system("#{executable} -s #{site.dest} -o #{site.dest}")
+end
+

generator-plugins/jekyll/lib/jekyll-pagebreak/version.rb

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+module JekyllPagebreak
+  VERSION = "0.1.0"
+end