[Feature request] Add support for .msg files

[stanfrbd]

Hello @drego85 and thank you for your hard work!

I have a recommandation if you want, I don't know if it implies a lot of work or not.

Last week, I wanted to use your tool but the email I got was a .msg (Microsoft/Outlook format for emails).

While there are ways to convert this type of file to .eml, I think it can be time saving if your tool supports .msg files.

Thank you for reading!

Cheers,

Stan