I don't think we need this
Starting to look at authentication by figuring out how to structure
files

+ app.rb now handles the main part of the site, it's the beginning
+ Separated login.rb into its own file to make it easier to manage
-- It looks like using Sinatra::Base as a base class for our "contexts"
is the best way to go, at least according to what I understand of the
Sinata documentation
Default layout template, all other pages will be embedded in this one
Our login template. It doesn't do anything right now.