[WIP] Add Transformer

[windstamp]

Add Transformer

[windstamp]

Transformer等Paddle的模型也跑出数据来了，一起提交吧。只发布竞品数据，不发布Paddle不太合适。

明白，我这个现在还不能合入，还在完成中。我在标题中添加了 [WIP]，好了我再请你帮忙 review 哈。

[CLAassistant]

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