new_contents: import plugins, asyncio
  
  def _initialise(bot):
     plugins.register_user_command(["doc"])
  
  @asyncio.coroutine
  def doc(bot, event, *args):
     yield from bot.coro_send_message(event.conv,'<a href="adrress">https://goo.gl/xxxx</a>')
  
subject: Create doc.py