I just noticed this very recently as well and I will try to bring them back as soon as possible, thank you for reporting. Sorry for the current state of the guide due to this.
You should add as a securities account, under new instrument. The best that you can do (while the images are broken) is quoting my initial post[1] and start following the guide after "Funding your deposit account" using the linked images as a guide (the direct urls are working).