Add database.rb to config.ru for Schema updates.
Add ruby-version file.
Refactor into a common library.

Since I am also going to push a Sinatra application this makes the most
sense to me.
Add Sinatra application.
Add required version of Ruby to Gemfile.
Fix issue with load path and lib folder.
Add some more gems that are required.
Modify the database to use sinatra/sequel.