(Update) Dependencies: Add bundler and Gemfile (#5)

* (Update) Dependencies: Add bundler and Gemfile to handle ruby dependencies

* (Update) Dependencies: Move  jekyll-multiple-languages-plugin into Gemfile instead of using a git submodule

* (Doc) README: Adjust note about jekyll-multiple-language-plugin

Gemfile.lock

@@ -0,0 +1,65 @@
+GIT
+  remote: https://github.com/perrywoodin/jekyll-multiple-languages-plugin.git
+  revision: d72bf07e773eb17e5b85f8aa9b97d2a160f0238b
+  specs:
+    jekyll-multiple-languages-plugin (1.4.2)
+      jekyll (>= 2.0, < 4.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    autoprefixer-rails (6.3.7)
+      execjs
+    classifier-reborn (2.0.4)
+      fast-stemmer (~> 1.0)
+    colorator (1.1.0)
+    execjs (2.7.0)
+    fast-stemmer (1.0.2)
+    ffi (1.9.14)
+    forwardable-extended (2.6.0)
+    jekyll (3.2.1)
+      colorator (~> 1.0)
+      jekyll-sass-converter (~> 1.0)
+      jekyll-watch (~> 1.1)
+      kramdown (~> 1.3)
+      liquid (~> 3.0)
+      mercenary (~> 0.3.3)
+      pathutil (~> 0.9)
+      rouge (~> 1.7)
+      safe_yaml (~> 1.0)
+    jekyll-autoprefixer (1.0.0)
+      autoprefixer-rails (~> 6.3.6)
+    jekyll-paginate (1.1.0)
+    jekyll-sass-converter (1.4.0)
+      sass (~> 3.4)
+    jekyll-serve (1.0.0.rc1)
+    jekyll-watch (1.5.0)
+      listen (~> 3.0, < 3.1)
+    kramdown (1.12.0)
+    liquid (3.0.6)
+    listen (3.0.8)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    mercenary (0.3.6)
+    pathutil (0.14.0)
+      forwardable-extended (~> 2.6)
+    rb-fsevent (0.9.7)
+    rb-inotify (0.9.7)
+      ffi (>= 0.5.0)
+    rouge (1.11.1)
+    safe_yaml (1.0.4)
+    sass (3.4.22)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  classifier-reborn
+  jekyll
+  jekyll-autoprefixer
+  jekyll-multiple-languages-plugin!
+  jekyll-paginate
+  jekyll-serve
+
+BUNDLED WITH
+   1.12.5