Feature QR code

[ww7]

Thanks for the great online generator!

Would be nice to have QR code to show

Can be used QR generator by google, this is a basic request syntax https://www.google.com/chart?chs=200x200&chld=M|0&cht=qr&chl=otpauth://totp/labelexample:userexample?secret=A4N3R5N4HUZPSGKDOQRH6CQGEDI45PF2&issuer=issuerexample

Additionally, I ask for a URI update with the currently entered secret