Added my webpage to the list (alshedivat#788)

Added my webpage to the list.

Author: johanneshoerner

README.md

@@ -72,6 +72,7 @@ Feel free to add your own page(s) by sending a PR.
 <a href="https://tirtharajdash.github.io" target="_blank">★</a>
 <a href="https://carolinacarreira.github.io" target="_blank">★</a>
 <a href="https://manandey.github.io" target="_blank">★</a>
+<a href="https://johanneshoerner.github.io" target="_blank">★</a>
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