Add Placeholder for MenuItemReview Index Page

[heyyysus]

• [x] There is a file called 'MenuItemReviewIndexPage.js' in the 'src/main/pages/MenuItemReview' directory.
• [x] The file exports a component with a basic layout, a title 'MenuItemReview', and placeholder text.
• [x] In 'App.js', there is a route linking the path '/menuItemReviews/list' to 'MenuItemReviewIndexPage'