message: use fork of denoflate which is cacheable
diff: @@ -169,7 +169,10 @@ client.on('messageCreate', async (msg: Message) => {
  )
  } else if (msg.content === '!textfile') {
  msg.channel.send({
  - file: new MessageAttachment('hello.txt', 'hello world')
  + files: [
  + new MessageAttachment('hello.txt', 'world'),
  + new MessageAttachment('world.txt', 'hello')
  + ]
  })
  } else if (msg.content === '!join') {
  if (msg.member === undefined) return
  