message: put code block on new line
diff: @@ -56,7 +56,7 @@ function parseHtmlMessage(html, room) {
  case "STRONG":
  return new PlainPart(`**${n.textContent}**`);
  case "PRE":
  - return new PlainPart(`\`\`\`${n.textContent}\`\`\``);
  + return new PlainPart(`\`\`\`\n${n.textContent}\`\`\``);
  case "CODE":
  return new PlainPart(`\`${n.textContent}\``);
  default:
  