Include .rabl templates files for `rake notes` task

Rakefile

module SourceAnnotationExtractorExtension
  extend ActiveSupport::Concern
  included do

    def find_in_with_rabl dir
      results = {}

      Dir.glob("#{dir}/*") do |item|
        next if File.basename(item)[0] == ?.

        if File.directory?(item)
          results.update(find_in(item))
        elsif item =~ /\.(builder|rabl|rb|coffee)$/
          results.update(extract_annotations_from(item, /#\s*(#{tag}):?\s*(.*)$/))
        elsif item =~ /\.erb$/
          results.update(extract_annotations_from(item, /<%\s*#\s*(#{tag}):?\s*(.*?)\s*%>/))
        elsif item =~ /\.haml$/
          results.update(extract_annotations_from(item, /-\s*#\s*(#{tag}):?\s*(.*)$/))
        elsif item =~ /\.slim$/
          results.update(extract_annotations_from(item, /\/\s*\s*(#{tag}):?\s*(.*)$/))
        end
      end

      results
    end
    alias_method_chain :find_in, :rabl

  end
end

SourceAnnotationExtractor.send :include, SourceAnnotationExtractorExtension if SourceAnnotationExtractor.method_defined?(:find_in)