TUI for install script

[tednaaa]

currently install script is fish

I want to change it to sh

and only keep

if not command -s paru
	sudo pacman -S --noconfirm --needed base-devel git
	git clone https://aur.archlinux.org/paru.git
	cd paru
	makepkg -si --noconfirm --needed
end

and install my installation script from aur, like archinstall

paru -S archinstall
archinstall

inside it need to configure easy installation and customization