Add initial set of block-related commands #583

Job	Run time
code-quality / Lint Gherkin Feature files	15s
code-quality / Spell check	4s
code-quality / Lint GitHub Actions workflows	8s
code-quality / PHPStan	37s
code-quality / PHPCS	21s
code-quality / Lint PHP files	16s
	1m 41s

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