Revamp TorchRec intro tutorial #3041

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	15m 50s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	53m 8s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	20m 17s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	30m 30s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	21m 26s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	18m 53s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	18m 26s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	18m 16s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	31m 21s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	25m 19s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	29m 22s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	30m 11s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	18m 50s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	12m 33s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	19m 53s
pytorch_tutorial_build_manager	22m 43s
	6h 26m 58s

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