Now you are in the third stage: 3/3 Request Service: Webrunner theia. Input a title for your theia.
As you want to have a Theia embedded with html5as-base software, you can input the Initial Embedded Instance Configuration:
{
"software-url": "https://lab.nexedi.com/nexedi/slapos/raw/master/software/html5as-base/software.cfg"
}
You can also input other software URL to deploy it on Theia.
Click “Proceed”, wait a bit.