Rails Engine - Automatically load migrations

# lib/<project_name>/engine.rb

module RailsI18nManager
  class Engine < ::Rails::Engine
    isolate_namespace RailsI18nManager

    ### Automatically load all migrations into main rails app
    initializer "rails_i18n_manager.append_migrations" do |app|
      if !app.root.to_s.match?(root.to_s)
        config.paths["db/migrate"].expanded.each do |expanded_path|
          app.config.paths["db/migrate"] << expanded_path
        end
      end
    end

  end
end