[Add] init

Gemfile

@@ -0,0 +1,15 @@
+source "https://rubygems.org"
+gem "jekyll", "~> 4.3.2"
+gem "minima", "~> 2.5"
+group :jekyll_plugins do
+  gem "jekyll-feed", "~> 0.12"
+end
+
+platforms :mingw, :x64_mingw, :mswin, :jruby do
+  gem "tzinfo", ">= 1", "< 3"
+  gem "tzinfo-data"
+end
+
+gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
+
+gem "http_parser.rb", "~> 0.6.0", :platforms => [:jruby]