Jupiter is a collection of config files for a customised wayland setup using sway on Arch Linux
Simply download the installation script from this repository and run it on your system
The installation of Oh My Zsh uses the script described in their official website without any further modification. For the parent script to continue executing, you will need to manually exit the Oh My Zsh script by simply typing exit. I highly recommend setting up reflector.timer after the installation to assure ideal download speeds. The package will already be installed if you used the installation script. But, you will still need to configure and setup the systemd timer according to your preferences unless you chose to go along with the configuration provided in this script for India region.