Makefile: Add lint, fmt and validate commands #82

Job	Run time
lint / lint	7s
validate / build	5s
unit-tests / unit-tests	10s
build-image / build-and-push-image	44s
build-binary (linux, arm64) / build	8s
build-binary (linux, amd64) / build	8s
build-binary (windows, amd64) / build	8s
build-binary (windows, arm64) / build	7s
	1m 37s

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