Update README to use Bundler
Update README to use Bundler

dgrtwo/stack-blog,dgrtwo/stack-blog,jericson/stack-blog,hungvandinh/hungvandinh.github.io,StackExchange/stack-blog,jericson/stack-blog,hungvandinh/hungvandinh.github.io,StackExchange/blog,hungvandinh/hungvandinh.github.io,hungvandinh/hungvandinh.github.io,StackExchange/blog,dgrtwo/stack-blog,StackExchange/stack-blog,dgrtwo/stack-blog,StackExchange/stack-blog,dgrtwo/stack-blog,jericson/stack-blog,jericson/stack-blog,StackExchange/stack-blog,jericson/stack-blog,StackExchange/blog,StackExchange/stack-blog,hungvandinh/hungvandinh.github.io,StackExchange/blog,StackExchange/blog