message: fix html escaping,
diff: @@ -10,6 +10,10 @@ const EMOJI_SIZE = "1em";
  const EMOJI_REGEX = /<:\w+:?([0-9]*)>/g;
  const MATRIX_TO_LINK = "https://matrix.to/#/";
  +marked.setOptions({
  + sanitize: true,
  +});
  +
  export class MessageProcessorOpts {
  public domain: string;
  constructor (domain: string) {
  