add total_count to all connections

base_connection.rb

class Types::BaseConnection < GraphQL::Types::Relay::BaseConnection
  field :total_count, Integer, null: false

  def total_count
    object.items.size
  end
end

base_object.rb

module Types
  class BaseObject < GraphQL::Schema::Object
    connection_type_class Types::BaseConnection    
  end
end