chore: added multiarch support for docker builder 🐳

[Christian-TD]

Adding multi-arch support for building docker image. Give it a try!

[EpicWink]

I need to do more investigation here, like whether xx it's required, or how easy it is to maintain the new platforms (for instance, running the test suite after building the images).

[Christian-TD]

I need to do more investigation here, like whether xx it's required, or how easy it is to maintain the new platforms (for instance, running the test suite after building the images).

Sure, no problem. Here's the link to xx

[EpicWink]

Does #45 meet your needs?

[Christian-TD]

Does #45 meet your needs?

Yep, that's looks perfectly fine. Great job, thanks!

[EpicWink]

Closing as superceded, feel free to comment if you want xx-based Docker images