code: def cmd_config_set(key, value):
      
  
      habucfg = loadcfg(environment=False)
      habucfg[key.upper()] = value
      with Path('~/.habu.json').expanduser().open('w') as f:
          f.write(json.dumps(habucfg, indent=4, sort_keys=True))
docs: Set VALUE to the config KEY.
  
      Note: By default, KEY is converted to uppercase.
  
      Example:
  
      \b
      $ habu.config.set DNS_SERVER 8.8.8.8