Built-in icons
[!info] Info
[!note] Note
[!tip] Tip
[!hint] Hint
[!important] Important
[!faq] FAQ
[!question] Question
[!help] Help
[!todo] Todo
[!example] Example
[!warning] Warning
[!caution] Caution
[!attention] Attention
[!abstract] Abstract
[!summary] Summary
[!tldr] TL;DR
[!success] Success
[!check] Check
[!done] Done
[!fail] Fail
[!missing] Missing
[!danger] Danger
[!error] Error
[!bug] Bug
[!quote] [!cite] Quote