exe/livdoc in living_document-1.0.0 vs exe/livdoc in living_document-1.1.0

@@ -1,11 +1,19 @@
 #!/usr/bin/env ruby
 
 # frozen_string_literal: true
 
 require 'listen'
+require 'optparse'
 
 require_relative '../lib/living_document.rb'
+
+parser = OptionParser.new
+parser.on('-v', '--version', 'Print the version') do
+  puts(LivingDocument::VERSION)
+  exit(0)
+end
+parser.parse!
 
 # rubocop:disable Style/TopLevelMethodDefinition
 def evaluate_code_and_update_source_file(file_path)
   puts('Running code...')
   code_in_file = File.read(file_path)