Update admin and marketing layouts, add new admin components

Refined both admin and marketing layouts for a clearer design. Newly added components for the admin page include admin-account-page, admin-members-table and admin-memberships-table. Also included in this update are route renaming, minor text edits and corrections in the code.

apps/web/app/(marketing)/_components/site-navigation.tsx

@@ -46,7 +46,9 @@ export function SiteNavigation() {
       <div className={'hidden items-center lg:flex'}>
         <NavigationMenu>
           <NavigationMenuList
-            className={'space-x-1.5 rounded-full border px-1 py-2'}
+            className={
+              'space-x-1.5 rounded-full px-1 py-2 shadow-sm dark:shadow-primary/20'
+            }
           >
             {NavItems}
           </NavigationMenuList>