docs: def get_env(env_file='.env'):
      """
      Set default environment variables from .env file
      """
      try:
          with open(env_file) as f:
              for line in f.readlines():
                  try:
                      key, val = line.split('=', maxsplit=1)
                      os.environ.setdefault(key.strip(), val.strip())
                  except ValueError:
                      pass
      except FileNotFoundError:
          pass