Requirements 
- A device to run the script on.  of the following: 
- Chromebook with Crostini enabled (aka "Linux" in settings). FOLLOW THE INSTRUCTIONS IN THE CROSTINI SECTION
 - x86_64 Linux pc/laptop: (all distros supported)
 - Windows: Install WSL2. WSL(v1) is not supported.
 - Apple devices: unsupported
 - ARM Chromebooks/Raspberry Pis/Android/other non-x86_64: Need translation layers to build images. Do your own research.
 
 - Developer mode enabled on the Chromebook (How to enable developer mode)
 - A USB drive or SD-card with at least 8GB of storage. A cli image might require less storage.
 - 10GB of free storage on the builder device