App currently contains:
- app.rb - the application code
- Gemfile - specifies the gems this app relies on
- Gemfile.lock - automatically generated dependancy file
- views/ - this is the default folder for erb views
- layout.erb - this is the default layout to be used for all erb files
- public/ - this is the default folder for serving static assets
- Procfile - this tells Heroku or Foreman how to run the application
- Rakefile- installs the gems and run the server