Added SRaf.ir to README.md (alshedivat#2510)

Hi, I would be more than happy if I could add my personal website here.

Author: saeedrafieyan

README.md

@@ -141,6 +141,7 @@ Feel free to add your own page(s) by sending a PR.
 <a href="https://abhilesh.github.io/" target="_blank">★</a>
 <a href="https://jackjburnett.github.io/" target="_blank">★</a>
 <a href="https://physics-morris.github.io/" target="_blank">★</a>
+<a href="https://sraf.ir" target="_blank">★</a>
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