feat: make people able to hide sidebar

Signed-off-by: Matej Focko <mfocko@redhat.com>

docusaurus.config.js

@@ -121,6 +121,11 @@ const config = {
           "rust",
         ],
       },
+      docs: {
+        sidebar: {
+          hideable: true,
+        }
+      }
     }),
 };