[Enhancement] Provide `.MSIX`, `.MSIXBundle`, and/or `.AppInstaller` installation packages.

[RokeJulianLockhart]

My rationale is available at RokeJulianLockhart/RokeJulianLockhart/issues/12. However, anyone who has utilised it shall understand, solely due to the brilliant .*-AppxPackage PowerShell commandlets. This supersedes issues/106.

[daiyam]

Feel free to make any PR to generate those installers.

[RokeJulianLockhart]

@daiyam, you may need to wait a few years then, but I'll place it on the backlog!