[Suggestion] - Allow logging in directly from a document

Hello,

I landed earlier on a document, using a guest account. Since I'm not a regular user of CodiMD, it took me "a little bit too much" time (to my taste :) ) to find how to log in. That is, going back to the home page, then finding the document again. This is a bit annoying as a end user.

Suggestion : add the possibility to log in directly from the document, then automatically redirect the user to this document (that is... if a page change is needed to log in) after connection.
This would be a good feature, I think.

Regards,
Frederic Zinelli

まず、ゲストがどのようにドキュメントに到達するのか、また既存のログインフローがどのように開始されるのかを追跡します。ゲストがドキュメントから直接ログインでき、認証後に自動的にそのドキュメントへ戻されれば、この機能は完了です。

索引モデルが issue の本文から書いたものです。