Include weather routing bench in about

Author: daniprec

_pages/about.md

@@ -101,7 +101,14 @@ The goal is both to improve the state of the art algorithms for weather routing,
 
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-<a href="https://demo.weathernavigation.com/" class="button">Demo</a>
+<div style="display: flex; justify-content: center;">
+  <div style="flex: 50%; margin-right: 10px;">
+    <a href="https://benchmark.weathernavigation.com/" class="button">WeatherRouting Bench 1.0</a>
+  </div>
+  <div style="flex: 50%; margin-left: 10px;">
+    <a href="https://demo.weathernavigation.com/" class="button">Demo</a>
+  </div>
+</div>
 
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