[Backend] Add rmt filtering on messages

[AlexMacocian]

https://github.com/gwdevhub/kamadan-trade-chat/blob/master/server/js/String.class.js

KamadanTrade.prototype.quarantineCheck = function(message) {
  // True on match
  let msg_norm_manual = message.m.removeDiacritics().removePunctuation().removeUnderscores().removeSpaces();
  for(var i in this.quarantine_regexes) {
    if(this.quarantine_regexes[i].test(msg_norm_manual))
      return true;
  }
  return false;
}

[AlexMacocian]

https://github.com/gwdevhub/kamadan-trade-chat/blob/a324612a7db15b3a7b78e1a6ef20264de33692a9/server/chat_filter_regexes.txt

[AlexMacocian]

Done