[booster] added the accelerator implementation

[FrankLeeeee]

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Fixed #3052

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This PR implemented the accelerator component for booster.

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The code coverage for the changed files is %.

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Name                                                               Stmts   Miss  Cover
--------------------------------------------------------------------------------------
colossalai/booster/accelerator.py                                     18      6    67%
colossalai/booster/booster.py                                         35     15    57%
tests/test_booster/test_accelerator.py                                10      0   100%
tests/test_fx/test_tracer/test_torchrec_model/test_dlrm_model.py      40     30    25%
--------------------------------------------------------------------------------------
TOTAL                                                                103     51    50%