Add docstrings for samplers (#338) #808

Job	Run time
generate-matrix / generate	7s
Build and Upload Mac wheel / wheel-py3_9-cpu	1m 54s
Build and Upload Mac wheel / wheel-py3_10-cpu	2m 16s
Build and Upload Mac wheel / wheel-py3_11-cpu	1m 58s
Build and Upload Mac wheel / wheel-py3_12-cpu	2m 5s
Build and Upload Mac wheel / wheel-py3_13-cpu	2m 15s
Build and Upload Mac wheel / upload / wheel-py3_9-cpu	16s
Build and Upload Mac wheel / upload / wheel-py3_10-cpu	16s
Build and Upload Mac wheel / upload / wheel-py3_11-cpu	2m 28s
Build and Upload Mac wheel / upload / wheel-py3_12-cpu	17s
Build and Upload Mac wheel / upload / wheel-py3_13-cpu	22s
install-and-test (3.9, 4.4.2)	2m 2s
install-and-test (3.9, 5.1.2)	2m 4s
install-and-test (3.9, 6.1.1)	2m 8s
install-and-test (3.9, 7.0.1)	2m 10s
	22m 38s

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