Create route and controller for http://localhost:3000/pictures/
Making pictures shows at /pictures
Make each picture show at its own URL using static routes
Refactoring step #4 to use dynamic routes
Adding a feture to create new picture using HTML form
Creating Picture model in database
Moving @pictures in pictures_controller.rb into the database
Refactoring to save new pictures in database
Configuring root as pictures#index
Refactoring views to use helpers and adding navigation
Adding feature to edit pictures
Adding feature to delete pictures