new_contents: import asyncio
  
  from aiohttp import web
  from aiomonitor import Monitor
  
  
  async def simple(request):
      loop = request.app.loop
      print('Start sleeping')
      await asyncio.sleep(100, loop=loop)
      return web.Response(text="Simple answer")
  
  
  async def init(loop):
      app = web.Application(loop=loop)
      app.router.add_get('/simple', simple)
      return app
  
  loop = asyncio.get_event_loop()
  app = loop.run_until_complete(init(loop))
  
  with Monitor(loop=loop):
      web.run_app(app, port=8090, host='localhost')
  
subject: add simple example