bin/just_crawl in just_crawl-1.1.8 vs bin/just_crawl in just_crawl-1.1.9

@@ -1,5 +1,7 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 require 'optparse'
 require_relative '../lib/just_crawl.rb'
 
 EM.threadpool_size = 5