Yubikeys info, based on Opsek tutorial/guide

[mattaereal]

Type of request

• Add new content
• Update existing content

What content are you suggesting for?

A page dedicated to Yubikeys.

Why do you think this update or modification is needed

Yubikeys are one of the most secure ways to add 2FA among other things.

Can you justify your argument or provide additional resources?

https://github.com/Opsek/Yubikeys-cheatsheet

Contribution intent

• I can provide/create this content myself
• I'm identifying a need for others to address

[DicksonWu654]

I’m planning to work on this.