Fix Jekyll build

Signed-off-by: Daniele Ricci <[email protected]>

Gemfile

@@ -0,0 +1,38 @@
+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", "~> 3.9.0"
+
+# This is the default theme for new Jekyll sites. You may change this to anything you like.
+gem "minima", "~> 2.0"
+
+# If you have any plugins, put them here!
+group :jekyll_plugins do
+  #gem "github-pages", "~> 228"
+  gem "jekyll-feed", "~> 0.6"
+  gem 'jekyll-postfiles'
+end
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+# and associated library.
+platforms :mingw, :x64_mingw, :mswin, :jruby do
+  gem "tzinfo", "~> 1.2"
+  gem "tzinfo-data"
+end
+
+# Performance-booster for watching directories on Windows
+gem "wdm", "~> 0.1.0", :platforms => [:mingw, :x64_mingw, :mswin]
+
+# kramdown v2 ships without the gfm parser by default. If you're using
+# kramdown v1, comment out this line.
+gem "kramdown-parser-gfm"
+
+
+gem "webrick", "~> 1.8"

_config.yml

@@ -34,6 +34,7 @@ exclude:
   - Gemfile
   - Gemfile.lock
   - legacy/
+  - vendor/
 #   - node_modules
 #   - vendor/bundle/
 #   - vendor/cache/