Test qlib from pip

Enhance README with LightGBM Installation Guidance for Mac M1 Users #1332

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Run time

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Job	Run time
build (windows-latest, 3.7)	1m 14s
build (windows-latest, 3.8)	1m 18s
build (ubuntu-20.04, 3.7)	1m 7s
build (ubuntu-20.04, 3.8)	1m 21s
build (ubuntu-22.04, 3.7)	1m 12s
build (ubuntu-22.04, 3.8)	1m 22s
build (macos-11, 3.7)	1m 44s
build (macos-11, 3.8)	1m 24s
build (macos-latest, 3.7)	1m 47s
build (macos-latest, 3.8)	1m 27s
	13m 56s