Add parser for simple block (#8) #30

Job	Run time
Preflight docs.rs build	13s
Enforce Rust code format	15s
Clippy	15s
License / vulnerability audit (advisories)	20s
License / vulnerability audit (bans licenses sources)	17s
Preflight crate publish (ubuntu-latest, stable)	18s
Unit tests with minimum versions of direct dependencies (windows-latest)	40s
Unit tests (windows-latest, stable)	1m 4s
Unit tests with minimum versions of direct dependencies (macos-latest)	43s
Check for unused dependencies	17s
Unit tests (windows-latest, 1.72.0)	52s
Unit tests with minimum versions of direct dependencies (ubuntu-latest)	16s
Unit tests (macos-latest, stable)	42s
Unit tests (macos-latest, 1.72.0)	46s
Unit tests (ubuntu-latest, stable)	26s
Unit tests (ubuntu-latest, 1.72.0)	23s
	7m 47s

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