docs: def cli(ctx):
      """ This is a command line app to get useful stats from a trello board
          and report on them in useful ways.
  
          Requires the following environment varilables:
  
          TRELLOSTATS_APP_KEY=<your key here>
          TRELLOSTATS_APP_TOKEN=<your token here>
      """
      ctx.obj = dict()
      ctx.obj['app_key'] = os.environ.get('TRELLOSTATS_APP_KEY')
      ctx.obj['app_token'] = os.environ.get('TRELLOSTATS_APP_TOKEN')
      init_db(db_proxy)