Add players migration
Add player model
Add nickname to required fields
Add players on activeadmin
Add default language to project
Add almond js to vendor files
Add spec to getFullNameAndId method of teams model
Add editor config file
Add active_decorator to Gemfile
Change name of method that get the full name and id on team module
Improve syntax on activeadmin registers
Add serializer gem
Add member_action 'positions_of_modality' on activeadmin team register
Add data attrbutes to use on javascript of activeadmin page
Add position seriallizer
Add validations on player model
Add the script used on player form of active admin
Change the activeadmin base coffeescript file
Change decorator gem
Change full_name_and_id method to team decorator