I've created a custom theme template and documentation for it, and put it on github. Give it a try if you like. You'll be a bit of a guinea pig here as it's a work in progress and you'll be one of the first people to use it https://github.com/beastly-eve/stimuwrite-theme-template
I honestly don't know what I'm doing wrong, I've read through the docs a few times now and I keep getting errors.