added my homepage (Dian Jiao). (alshedivat#3128)

Hi!

I’m using the al-folio theme for my academic homepage and really
appreciate the work you’ve done — it’s clean, elegant, and super
helpful.

I’ve added my site (https://d-jiao.github.io) to the community list as
suggested. Thank you for maintaining this great project!

Best,
Dian Jiao (d-jiao)

Author: d-jiao

README.md

@@ -162,6 +162,7 @@ Feel free to add your own page(s) by sending a PR.
 <a href="https://alexiglad.github.io/" target="_blank">★</a>
 <a href="https://nishanthjkumar.com/" target="_blank">★</a>
 <a href="https://joszuijderwijk.nl/" target="_blank">★</a>
+<a href="https://d-jiao.github.io/" target="_blank">★</a>
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