README

When a new card set released

• Refresh all card data

rake portal:cards:setup

• Add card set code

Add a new card set code to app/models/period.rb

When card-balance changed

• Add a new period

# Modify db/seeds.rb beforehand
rake db:seed

• Define archetype conditions for current period

Save to config/archetypes/{CARD_SET_CODE}_{FORMAT}_{PERIOD_START_DATE}.yml

• Create archetypes

rake maintenance:archetype