onTab("Base64 Encode", async () => {
  const stringToEncode = await arg();
  editor(Buffer.from(stringToEncode, "utf8").toString("base64"));
});
onTab("Base64 Decode", async () => {
  const base64String = await arg();
  const buff = Buffer.from(base64String, "base64");
  editor(buff.toString("utf-8"));
});