feat: add description section to section/term/taxonomies, fix header margin

Jacky Zhao

2022-07-14 b2555ced61628008e9a1321921376c3f9fb53791

 README.md

@@ -13,3 +13,5 @@
🔗 Get Started: https://quartz.jzhao.xyz/

![Quartz Example Screenshot](./screenshot.png)*Quartz Example Screenshot*

[Join the Discord Community](https://discord.gg/cRFFHYye7t)