Add sodium to the extension list on the main page

It has a polyfill and would be nice to know that it is installed

Signed-off-by: William Desportes <williamdes@wdes.fr>

libraries/classes/Util.php

@@ -2449,6 +2449,10 @@ class Util
             $result[] = 'mbstring';
         }
 
+        if (extension_loaded('sodium')) {
+            $result[] = 'sodium';
+        }
+
         return $result;
     }
 

test/classes/UtilTest.php

@@ -65,6 +65,7 @@ class UtilTest extends AbstractTestCase
      * @requires extension mysqli
      * @requires extension curl
      * @requires extension mbstring
+     * @requires extension sodium
      */
     public function testListPHPExtensions(): void
     {
@@ -73,6 +74,7 @@ class UtilTest extends AbstractTestCase
                 'mysqli',
                 'curl',
                 'mbstring',
+                'sodium',
             ],
             Util::listPHPExtensions()
         );