Revamp TorchRec intro tutorial #3022

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	16m 58s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	37m 3s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	21m 11s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	13m 39s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	22m 9s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	19m 24s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	23m 2s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	23m 52s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	26m 27s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	27m 0s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	42m 18s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	31m 5s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	23m 44s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	16m 27s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	25m 1s
pytorch_tutorial_build_manager	0s
	6h 9m 20s

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