- Clean up:
<p>tags do not allow<form>and<ul>/<li>tags inside (see https://stackoverflow.com/questions/9852312/list-of-html5-elements-that-can-be-nested-inside-p-element for allowed tags)
- Limit article title length to a sensible number
- Limit article length?
- Limit request length (warp::body::content_length_limit)
- Sanitize text to prevent HTML injections (e.g. in article title, text)
- Prevent CSRF