Gemfile in miteru-0.11.2 vs Gemfile in miteru-0.11.3

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
-git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in miteru.gemspec
 gemspec