React-Redux-Toolkit an e-commerce-app utilizing Redux toolkit, RTK query, and firebase for Auth and Cart features using firestore Home page displaying furniture from firestore and sign in sign-up if no account. route to sign-in after sign-up change navbar with Logout and view products/cart/add products to firestore add data to firestore database fetch and Display payload shop data from firestore after adding product data togglecart icon to true/false to display cart modol. If no items, show no cart items and route to add cart items Add items to cart state. can clear all cart items. can decrease or increase cart quantity items. display tottal price of all cart items