```ruby
require 'i18n'
require 'ibandit/version'
require 'ibandit/errors'
require 'ibandit/iban'
require 'ibandit/german_details_converter'
require 'ibandit/iban_splitter'
require 'ibandit/iban_assembler'
require 'ibandit/local_details_cleaner'
require 'ibandit/check_digit'

I18n.load_path += Dir['config/locale/*.yml']

module Ibandit
  class << self
    attr_accessor :bic_finder, :modulus_checker

    def find_bic(country_code, national_id)
      raise NotImplementedError, 'BIC finder is not defined' unless @bic_finder
      @bic_finder.call(country_code, national_id)
    end

    def structures
      @structures ||= YAML.load_file(
        File.expand_path('../../data/structures.yml', __FILE__)
      )
    end

    def translate(key, options = {})
      I18n.translate(key, { scope: [:ibandit] }.merge(options))
    end
  end
end
```

Make the I18n load path work in real life
user
```ruby
require 'i18n'
require 'ibandit/version'
require 'ibandit/errors'
require 'ibandit/iban'
require 'ibandit/german_details_converter'
require 'ibandit/iban_splitter'
require 'ibandit/iban_assembler'
require 'ibandit/local_details_cleaner'
require 'ibandit/check_digit'

I18n.load_path += Dir[File.expand_path('../../config/locale/*.{rb,yml}',
                                       __FILE__)]

module Ibandit
  class << self
    attr_accessor :bic_finder, :modulus_checker

    def find_bic(country_code, national_id)
      raise NotImplementedError, 'BIC finder is not defined' unless @bic_finder
      @bic_finder.call(country_code, national_id)
    end

    def structures
      @structures ||= YAML.load_file(
        File.expand_path('../../data/structures.yml', __FILE__)
      )
    end

    def translate(key, options = {})
      I18n.translate(key, { scope: [:ibandit] }.merge(options))
    end
  end
end
```
assistant