move jekyll to separate directory

jekyll/Gemfile

@@ -0,0 +1,33 @@
+source "https://rubygems.org"
+
+# Hello! This is where you manage which Jekyll version is used to run.
+# When you want to use a different version, change it below, save the
+# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
+#
+#     bundle exec jekyll serve
+#
+# This will help ensure the proper Jekyll version is running.
+# Happy Jekylling!
+gem "jekyll", "~> 4.1.0"
+
+# This is the default theme for new Jekyll sites. You may change this to anything you like.
+
+# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
+# uncomment the line below. To upgrade, run `bundle update github-pages`.
+# gem "github-pages", group: :jekyll_plugins
+
+# If you have any plugins, put them here!
+group :jekyll_plugins do
+  gem 'jekyll-feed', '~> 0.13'
+  gem 'jekyll-sitemap', '~> 1.4'
+  gem 'jekyll-compose', '~> 0.12.0'
+  gem 'jekyll-postfiles', '~> 3.1'
+end
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+# gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+# Performance-booster for watching directories on Windows
+# gem "wdm", "~> 0.1.0" if Gem.win_platform?
+
+gem "webrick", "~> 1.7"