adds docker support for multiple architectures

[m00sey]

Attempts to address #831

Updates the Makefile to use the docker build command with --platform and multiple architectures argument.

This required a change to the local Docker (for Desktop) installation being used to create the images.

In order to use the multi-platform build enable the containerd image store
The containerd image store is not enabled by default.
To enable the feature for Docker Desktop:
	Navigate to Settings in Docker Desktop.
	In the General tab, check Use containerd for pulling and storing images.
	Select Apply and Restart.

The result is build referencing multiple architectures: