You mean you want to remaster Mint's .iso file? Read here https://www.915tx.com/remasteri wanna make a unofficial lxde linux mint project. super lightweight. I want to post it on github
What do you mean? Did you read the link on how to remaster an .iso file? You probably need to read here too to get some understanding on how a Linux distro is assembled https://www.linuxfromscratch.org/lfs/view/stable/on what line do i delete the firefox and replace it with Brave web Browser ?