message: replace <del>blah</del> with ~~blah~~
diff: @@ -58,6 +58,9 @@ export class MatrixEventProcessor {
  body = `*${body}*`;
  }
  + // replace <del>blah</del> with ~~blah~~
  + body = body.replace(/<del>([^<]*)<\/del>/g, "~~$1~~");
  +
  // Handle discord custom emoji
  body = this.ReplaceDiscordEmoji(body, channel.guild);
  