Unlock beer song
Unlock beer song

The 'Beer song' exercise is the main focus of the book: 99 bottles
(https://www.sandimetz.com/99bottles)

It would be good if users could access the tests and specification
without having to unlock it.

NeimadTL/ruby,NeimadTL/ruby,Insti/xruby,exercism/xruby,exercism/xruby,Insti/exercism-ruby,Insti/exercism-ruby,Insti/xruby,Insti/exercism-ruby,NeimadTL/ruby