[css-logical-1] Add Oriol to acknowledgements

Author: fantasai

css-logical-1/Overview.bs

@@ -802,7 +802,11 @@ Four-Directional Shorthand Properties: the 'margin', 'padding', 'border-width',
 
 <h2 id="acknowledgements">Acknowledgements</h2>
 
-  Cameron McCormack, David Baron, Shinyu Murakami, Tab Atkins
+  Cameron McCormack,
+  David Baron,
+  Oriol Brufau,
+  Shinyu Murakami,
+  Tab Atkins
 
 <h2 id="changes">
 Changes</h2>