Add Yarn-related rules #112

Job	Run time
Check workflows	5s
Build, lint, and test / Prepare	18s
Build, lint, and test / Build types (16.x)	18s
Build, lint, and test / Build source (16.x)	19s
Build, lint, and test / Build types (18.x)	21s
Build, lint, and test / Build types (20.x)	22s
Build, lint, and test / Build source (18.x)	15s
Build, lint, and test / Build source (20.x)	16s
Build, lint, and test / Lint (16.x)	21s
Build, lint, and test / Test (16.x)	25s
Build, lint, and test / Lint (18.x)	23s
Build, lint, and test / Test (18.x)	22s
Build, lint, and test / Lint (20.x)	25s
Build, lint, and test / Test (20.x)	21s
Build, lint, and test / Compatibility test (16.x)	54s
Build, lint, and test / Compatibility test (20.x)	54s
All jobs completed	0s
All jobs pass	1s
is-release	0s
Publish release	0s
	6m 20s

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