Heyo! You’ve found my repository (or overlay) for Gentoo! It includes mostly personal stuff and some other things missing from the official repos, maybe.
You can add my repo to using eselect-repository as usual:
# Install eselect-repo and Git if you haven't yet.
emerge -a app-eselect/eselect-repository dev-vcs/git
# And then add the best repo ever
eselect repository add fernzi git https://github.com/fernzi/overlay.git
emaint sync -r fernzi