Add bin and edit workflow

bin/gems/rouge-4.7.0/lib/rouge/formatters/null.rb

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    # A formatter which renders nothing.
+    class Null < Formatter
+      tag 'null'
+
+      def initialize(*)
+      end
+
+      def stream(tokens, &b)
+        tokens.each do |tok, val|
+          yield "#{tok.qualname} #{val.inspect}\n"
+        end
+      end
+    end
+  end
+end