Add spec_helper
Add team_spec
Remove duplicate initialize function
Refactor access to players attr on class Team
Refactor to_s function on class Team
Add failing tests
Refactor Player class
Refactor failing test to add context to creating description
Remove duplicate #add_player test
Fix syntax error on tests
Fix require rspec_helper file on tests
Fix overwrite of result for #to_s implementation
Moved rspec_helper and team_spec to spec/ folder