added sinatra and rerun to gemfile

Signed-off-by: Zach Klabunde <zbunde@gmail.com>
sinatra is running locally

Signed-off-by: Zach Klabunde <zbunde@gmail.com>
Added items route

Signed-off-by: Zach Klabunde <zbunde@gmail.com>
switching computers, please ignore

Signed-off-by: Zach Klabunde <zbunde@gmail.com>