docs: note embeds and update git hint

Jacky Zhao

2023-12-16 3c01b92cc46589ac4607d994b49f1327dba3f38e

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export const escapeHTML = (unsafe: string) => {
  return unsafe
    .replaceAll("&", "&")
    .replaceAll("<", "&lt;")
    .replaceAll(">", "&gt;")
    .replaceAll('"', "&quot;")
    .replaceAll("'", "&#039;")
}