in versioned_plugins.rb [400:407]
def write_type_index(type, plugins)
template = ERB.new(IO.read("logstash/templates/docs/versioned-plugins/type.asciidoc.erb"))
output_asciidoc = "#{logstash_docs_path}/docs/versioned-plugins/#{type}s-index.asciidoc"
lazy_create_output_folder(output_asciidoc)
content = template.result_with_hash(type: type, plugins: plugins)
File.write(output_asciidoc, content)
end