feat: add NAVIGATION_V2 and MEGA_DROPDOWN_DATA for mega dropdown navigation

src/lib/constants/index.ts

@@ -1,5 +1,6 @@
 export { COMPANY_INFO } from './company';
-export { NAVIGATION, type NavigationItem } from './navigation';
+export { NAVIGATION, NAVIGATION_V2, MEGA_DROPDOWN_DATA } from './navigation';
+export type { NavigationItem, NavigationItemV2, MegaDropdownItem, MegaDropdownData } from './navigation';
 export { STATS, type StatItem } from './stats';
 export { SERVICES } from './services';
 export { PRODUCTS } from './products';