Add name to Acknowledgements

Author: yezhizhen

index.html

@@ -11525,7 +11525,8 @@ <h2>Acknowledgements</h2>
 <!-- Simon Stewart --> <a href=http://www.rocketpoweredjetpants.com/>Simon Stewart</a>,
 <!-- Sri Harsha --> Sri Harsha,
 <!-- Titus Fortner --> Titus Fortner,
-<!-- Vangelis Katsikaros --> and Vangelis Katsikaros.
+<!-- Vangelis Katsikaros --> Vangelis Katsikaros,
+<!-- Zhizhen Ye --> and Zhizhen Ye.
 
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