Document the examples, including Docker instructions; add BUILDING.md, update all READMEs #223

	# This workflow will build a golang project
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

	name: Go

	on:
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:

	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: "1.21"

	- name: Build all modules
	run: make build

	- name: Test all modules
	run: make test

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