Build and publish omarchy's `.wsl` artifact

[linghengqian]

• Build and publish omarchy's .wsl artifact. I am referring precisely to https://github.com/microsoft/WSL .
• Given that Ubuntu publishes .wsl artifacts alongside the ISOs, it seems entirely reasonable to host relevant discussions in the current Git repository. See https://www.releases.ubuntu.com/26.04.1/ for reference.

# Run in Windows PowerShell
curl.exe --fail --show-error --location `
  --output "$env:USERPROFILE/Downloads/Microsoft.WSL_2.7.12.0_x64_ARM64.msixbundle" `
  "https://github.com/microsoft/WSL/releases/download/2.7.12/Microsoft.WSL_2.7.12.0_x64_ARM64.msixbundle"

# Execute in Windows PowerShell with administrator privileges
Add-AppxPackage -Path "$env:USERPROFILE/Downloads/Microsoft.WSL_2.7.12.0_x64_ARM64.msixbundle"
Enable-WindowsOptionalFeature -Online -FeatureName "VirtualMachinePlatform" -All -NoRestart
# Restart Windows 11

# Run in Windows PowerShell
curl.exe --fail --show-error --location `
  --output "$env:USERPROFILE/Downloads/omarchy-4.0.2.wsl" `
  "https://iso.omarchy.org/omarchy-4.0.2.wsl"

wsl --install --from-file "$env:USERPROFILE/Downloads/omarchy-4.0.2.wsl"

• Early discussions can be found at wsl? omarchy#473 and https://x.com/linghengqian/status/2091395296274338239?s=20 .