I’m seeking a custom Shopify integration for Golfstix, a marketplace to buy and sell golf gear. We’re launching soon and many of our sellers (golf industry partners) would like to streamline their inventory management across channels including Shopify, eBay, and Golfstix. I’d like to offer a solution to them and understand we need to have a direct Shopify integration in order for them to utilize any of the available inventory syncing apps (i.e. www.trunkinventory.com) in the Shopify developer community. Our core platform is Ruby on Rails and we use React and Tailwind CSS frameworks. Anyone have experience connecting a custom marketplace with Shopify and can assist? Please let me know. Thanks in advance!