Create User Cart flow

[vishalrk1]

• [x] Create a user cart page
• [x] Create Cart and cart items prisma models
• [x] Create add and delete items in user cart API endpoints
• [x] Create a redux store, action, reducer and selector for the user cart
• [x] add cart error and success toasts
• [x] Integrate add to cart and remove the item from cart functionality in UI

[vishalrk1]

• finished user cart page