Add liberatube #6
Description
Liberatube is a Privacy, Feature Rich alternative front end to YouTube.
github repo: https://github.com/GoldDominik893/liberatube
main instance: https://lt.epicsite.xyz/
install guide: https://liberatube-docs.epicsite.xyz/installation/2.installation/
documentation: https://liberatube-docs.epicsite.xyz/