docs: toolbar and mega menu stories

• docs: toolbar story
• docs: mega menu story

.storybook/preview.ts

@@ -20,6 +20,11 @@ const preview: Preview = {
         date: /Date$/i,
       },
     },
+    options: {
+      storySort: {
+        order: ['Getting Started', 'Core', 'Static Components', 'Widgets', 'Layout'],
+      },
+    },
     docs: {
       toc: true,
     },