@b1nar10 if there is also hook support in gogs, then this could be helpful to you. It's how I'm mirroring repos from my gitea to GitHub.
(what @arshsahzad said) but the username/password appears in a popup dialog immediately after install. But if you dismissed it by mistake, you can find this from the first time setup instructions:
Are you referring to adding some translation files? Which app are you thinking about?