Jitsi files location

hi , thanks for amazing jitsi.
i want to customize some files and logos.
i install jitsi on ubunto cli , but i couldn’t find jitsi-meet files.
also i read this https://jitsi.github.io/handbook/docs/dev-guide/dev-guide-web but i couldn’t figure out where is the files.

can someone help me please?

Hey! Which files and logos did you want to change? The paths for many can be changed within state configurations.

i want to change , the main page logo and texts