Added x link

footer.html

@@ -7,8 +7,9 @@
         <a href="https://www.unito.it/"><img src="images/logo-unito.svg" height="60" width="158" alt="Logo Unito" class="logo"></a>
         <a href="https://fisica.campusnet.unito.it/do/home.pl"><img src="images/logo-fisica.svg" height="60" width="70" alt="Logo Physics Unito" class="logo"></a>
         <a href="https://www.to.infn.it/"><img src="images/logo-infn.svg" height="60" width="295" alt="Logo INFN" class="logo"></a>
+        <a href="https://x.com/BiophysTorino"><img src="images/icons/x.svg" height="60" alt="Logo x profile"></a>
     </div>
-
+    
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