Install Packer

git clone --depth 1 https://github.com/wbthomason/packer.nvim \
  ~/.local/share/nvim/site/pack/packer/start/packer.nvim

Move to config folder

cd ~/.config

git clone https://github.com/ninjoala/ninjos_nvim_config

Ensure you're standing in ~/.config mv ninjos_nvim_config nvim

nvim /.config/nvim/lua/ninjoala

Then type: :so

Press enter

Then type

:PackerSync

Congrats! It should be installed now.