You can install by the following command
git clone --depth 1 --single-branch --branch main https://github.com/leisurelicht/LichtVim.git ~/.config/nvim
or you can have try according the following command
git clone --depth 1 --single-branch --branch main https://github.com/leisurelicht/LichtVim.git ~/.config/LichtVim
nvim -u ~/.config/LichtVim/init.lua