How to deploy customized Jitsi Frontend Config

Hello everyone,
I have a customized jitsi frontend repository which i need to deploy it on my hosted jitsi meet server. how to do that? i have no idea where to place my code! is there any specific folder to place my code in? or is there a configuration line in jitsi.config.js where to indicate the path of my code to start with it?
sorry for my bad english