Added "live" information about sold and valid cards
Added top 3 sellers.
Created a section "sellers" where you can see real-time information about sellers, specifically: count of sold cards, referred ones, and remaining stock for sale.
My Cards:
- Card selection and deletion
- Filter by date: 3, 7, 30 days + ability to select from and to dates on a calendar
- Separate section for pre-orders to distinguish from My Cards
- Created a section for deleted cards.
