jekyll_4.0.gemfile in jekyll-toc-0.13.1

- old
+ new

@@ -1,7 +1,14 @@
 # This file was generated by Appraisal
 
 source "https://rubygems.org"
 
+gem "appraisal"
+gem "minitest-reporters"
+gem "minitest"
+gem "pry"
+gem "rake"
+gem "rubocop"
+gem "simplecov"
 gem "jekyll", "4.0"
 
 gemspec path: "../"