Klipper Expander - Update Optional Features Doc

[louisrousseau]

The Support external sensor devices option was split in Klipper3d/klipper@1499bfa and "Optional features" should (as far as I understand) now look like this:

[yebo29]

Can confirm this worked for me as well trying to make for the STM32 V0 display USB adapter board from the SIBOOR Switchwire kit. I was able to make with these exact options.

[53Aries]

Confirmed working for me also

[kitchung]

The "Optional features" menu changed again!

From Klipper v0.13.0-17-g017371b7

I have no idea what they should be; this screenshot is the default settings when I entered this menu.

[thijstriemstra]

I have no idea what they should be; this screenshot is the default settings when I entered this menu.

Yea, after upgrading to klipper v0.13.0-33-g413ff19ea I used the following settings which worked ok: