Fix Game Art style guide broken images

[henriiquecampos]

I'm submitting a...

• [x] Bug report.
• [ ] Feature request.

Bug report

What is the current behavior?

Most images on https://www.gdquest.com/docs/guidelines/style-guides/game-art/ are broken

What is the expected behavior?

Images should load properly.

Tell us the steps to reproduce the bug, and if possible share a minimal demo of the problem.

[chepecarlos]

Same in https://www.gdquest.com/docs/power-sequencer/