feat(function): add watermark custom style

[Ccheng2729111]

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[Ccheng2729111]

1. 增加了waterMarkOptions，支持传入自定义水印基本样式，ts类型可看
2. reset重置样式增加了display,visibility防止基本的隐藏水印的操作，否则可以直接增加样式进行隐藏水印