docs: tooltip (#6646)

* docs: tooltip

* docs: 将 interaction.tooltip 合并到 tooltip 中，删除 interaction.tooltip 介绍文档页面

* docs: resolve error

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Co-authored-by: chenying <cy01387976@antgroup.com>
Co-authored-by: interstellarmt <787982239@qq.com>

Author: Orcish-Y