Adding a star-link for an academic website. (#2780)

I have added my website.

Author: MikolajKocikowski

README.md

@@ -154,6 +154,7 @@ Feel free to add your own page(s) by sending a PR.
 <a href="https://anurye.github.io/" target="_blank">★</a>
 <a href="https://charlie-xiao.github.io/" target="_blank">★</a>
 <a href="https://giuseppeperelli.github.io/" target="_blank">★</a>
+<a href="https://kocikowski.com/" target="_blank">★</a>
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