[Doc][elasticsearch7 source & sink] Documentation bug or improvement

[fangxy-7010]

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Description

和源码对比，文档中支持的类型缺少SHORT和BOOLEAN

Documentation Links

https://dtstack.github.io/chunjun/documents/fedf6add-a46f-5297-a844-7f3a9a837c5f#%E4%BA%94%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B

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• [X] Yes I am willing to submit a PR!

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