Check this great tutorial
This great tutorial explains well how you can customise your icons. Just use our colorburn icons (images) with the shortcuts app and create your custom icons!
Have a look here
Add widgetsmith blocks
In order to create beautiful combinations of icons and blocks like this:
you have to download the widgetsmith app and then create custom blocks from there. You can combine blocks with blue, white, red or grey background color that work well with our designs.
Again, there is a nice tutorial explaining how to use the app.