[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced by 59% 🎉

Details

| File | Before | After | Percent reduction | |:--|:--|:--|:--| | /docs/abcrace/images/uppercase_buttons.png | 24.77kb | 10.04kb | 59.44% | | /source/abcrace/images/uppercase_buttons.png | 24.77kb | 10.04kb | 59.44% | | /docs/abcrace/images/lowercase_buttons.png | 22.79kb | 9.28kb | 59.27% | | /source/abcrace/images/lowercase_buttons.png | 22.79kb | 9.28kb | 59.27% | | /docs/abcrace/images/random_buttons.png | 20.73kb | 8.66kb | 58.23% | | /source/abcrace/images/random_buttons.png | 20.73kb | 8.66kb | 58.23% | | | | | | | **Total :** | **136.58kb** | **55.97kb** | **59.02%** |

---

📝 docs | :octocat: repo | 🙋🏾 issues | 🏪 marketplace

~Imgbot - Part of Optimole family