docs: def deploy_file(source, dest):
      """Deploy a file"""
      date = datetime.utcnow().strftime('%Y-%m-%d')
      shandle = open(source)
      with open(dest, 'w') as handle:
          for line in shandle:
              if line == '# Updated: %date%\n':
                  newline = '# Updated: %s\n' % date
              else:
                  newline = line
              handle.write(newline)
              handle.flush()
      shandle.close()