def sources
      @sources ||= Licensed::Sources::Source.sources
                                            .select { |source_class| enabled?(source_class.type) }
                                            .map { |source_class| source_class.new(self) }
    end
def sources
      @sources ||= Licensed::Sources::Source.sources
                                            .select { |source_class| enabled?(source_class.type) }
                                            .map { |source_class| source_class.new(self) }
    end
Returns an array of enabled app sources