Installation requires Neovim 0.10+. Always review the code before installing a configuration. Clone the repository and install plugins

git clone git@github.com:chemio9/nvim ~/.config/chemio9/nvim
NVIM_APPNAME=chemio9/nvim nvim --headless +"Lazy! sync" +qa

Open Neovim with this configuration

NVIM_APPNAME=chemio9/nvim nvim