Fork and rename in username.github.io format in order to have a simplified url.
sudo snap remove curl;
sudo apt install curl;
curl -s "https://get.sdkman.io" | bash;
sdk i java 19.0.2-tem;
sdk i gradle;
./jbake.sh
Then navigate to http://localhost:8820 in your web browser.
If the script does not have sufficient permissions
chmod u+x jbake.sh