2022-08-08 Updating my docker images to multiarch builds

I've been updating my dockerfiles on my several git repos across Gitlab and Github.

Some of them have working images now for armv7(32 bit arm), armv8(64 bit arm) and amd64(most desktops these days).

I only use armv7 and amd64 images for my raspberry pies and my pc-s.