Fix missing comma

Signed-off-by: Matthias Büchse <matthias.buechse@alasca.cloud>

Author: mbuechse

sidebarsCommunity.js

@@ -14,7 +14,7 @@ const sidebars = {
       },
       label: 'Governance',
       items: [
-        'governance/project-board'
+        'governance/project-board',
         'governance/project-board-2025'
       ]
     },