seems like everyone has this idea now if you search google.

https://www.google.com/search?q=password+manager+with+usb+ke...

https://github.com/tejado/Authorizer

https://hackaday.com/2020/02/08/usb-password-keeper-runs-on-...

https://www.amazon.com/OnlyKey-Stealth-Black-Case-Communicat...