It's a simple web based toolkit that will assist you with art-related things
For now. You can only generate two type of overlays. One for the golden ratio and one for the rule of third
You can either copy all the file that are on the webgui directory. Or simply run the contener by doing the following command.
# only run it the first time
sh build.sh
sh run.sh
REM run it the first time
build
run