console in telegram-bot-ruby-2.0.0

- old
+ new

@@ -1,7 +1,10 @@
 #!/usr/bin/env ruby
+
+# frozen_string_literal: true
+
 require 'bundler/setup'
 require 'pry'
 
-require File.expand_path('../lib/telegram/bot', __dir__)
+require_relative '../lib/telegram/bot'
 
 Pry.start