[booster] implemented the torch ddd + resnet example

[FrankLeeeee]

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Fixed #3231

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This PR added the example for ResNet + CIFAR training and evaluation with the new API.

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[github-actions]

The code coverage for the changed files is 72%.

Click me to view the complete report

Name                                                         Stmts   Miss  Cover
--------------------------------------------------------------------------------
colossalai/booster/__init__.py                                   3      0   100%
colossalai/booster/booster.py                                   63     21    67%
colossalai/booster/mixed_precision/fp16_torch.py                45      2    96%
colossalai/booster/mixed_precision/mixed_precision_base.py       9      1    89%
colossalai/booster/plugin/plugin_base.py                        34      8    76%
colossalai/booster/plugin/torch_ddp_plugin.py                   73     15    79%
colossalai/checkpoint_io/checkpoint_io_base.py                 134     64    52%
colossalai/checkpoint_io/general_checkpoint_io.py               28      8    71%
colossalai/cluster/dist_coordinator.py                          63     34    46%
colossalai/interface/__init__.py                                 3      0   100%
colossalai/interface/model.py                                   11      3    73%
colossalai/interface/optimizer.py                               40      8    80%
tests/test_booster/test_plugin/test_torch_ddp_plugin.py         55      0   100%
tests/test_checkpoint_io/test_general_checkpoint_io.py          36      1    97%
--------------------------------------------------------------------------------
TOTAL                                                          597    165    72%