Is your feature request related to a problem? Please describe.
We have submit a openEuler wsl appx and want to include it in wsl -l --online

Describe the solution you'd like
Want to see/install the openEuler WSL through wsl -l --online/wsl --install and in the wsl install guide docs, a download link is also provided.

Describe alternatives you've considered
NA

Additional context
NA