Wix Velo Vault Marketplace Development

I already have a Wix e-commerce sports card website built, but I need help adding a new page/section for a seller membership marketplace.

I want to create a new page called “Vault Marketplace” where approved seller members can list sports cards/TCG cards using a Wix multi-vendor app or custom Wix Velo setup.

I do not need a full website rebuild. I only need help adding and customizing this new marketplace/membership section.

What I need:
* Add a new page called Vault Marketplace
* Keep my current main store inventory separate
* Set up seller membership access for approved sellers
* Connect or configure a multi-vendor app if needed
* Allow approved sellers to list cards
* Require admin approval before seller listings go live
* Show all seller cards together on one marketplace page
* Show seller/vendor name under each card
* Add filters for:
* Seller
* Sport/TCG
* Graded/raw
* Condition
* Price
* Player
* Team
* Year
* Make the new page match my current website design
* Test the seller flow from listing upload to checkout