Add misc/read_yml_erb.rb

misc/read_yml_erb.rb

+# coding: utf-8
+require "yaml"
+require "erb"
+
+file_path = ARGV[0]
+if file_path.nil? || !File.exist?(file_path)
+  puts "Not found: #{file_path}"
+  exit 1
+end
+
+data = YAML.load(ERB.new(File.read(file_path), trim_mode: '-').result(binding))
+puts YAML.dump(data)