Add missing images to fundamentals of typography lesson block

[jdwilkin4]

It looks like most of these lessons like this one are missing images.

https://www.freecodecamp.org/learn/full-stack-developer/lecture-working-with-css-fonts/what-are-the-fundamentals-of-typography

Audit the entire block and look through the original hashnode scripts. If they are missing images, create a PR to add it to the cdn.