title: Is it possible to include a line break (\ n) in the message from the user in imback of the processing of Adaptive Card in Teams?
body: <p>Is it possible to include a line break (\ n) in the message from the user in imback of the processing of Adaptive Card in Teams?<br>
  I tried the following but I couldn't.<br>
  ・ "\n\n"<br>
  ・ "  \n"  </p>