I can't code, but I used AI to make a plugin for my store that displays all prices in Bitcoin and gets the price data from my own Btcpayserver. 

A couple bugs still, but not bad for a couple hours work. https://video.nostr.build/5d90fe8c0142bac8acf2bda59c3e9c8ed0c6cb8d88b9057f3f1514530d793e18.mp4