types: add datasource generics type in Table

[infeng]

增加一个设置Table的datasource类型的泛型

[mention-bot]

@infeng, thanks for your PR! By analyzing the history of the files in this pull request, we identified @benjycui, @afc163 and @ddcat1115 to be potential reviewers.

[hjin-me]

给 Table 增加泛型之后，只能如下的方式来使用 Table 了吗？

interface dateSource {
}
class NewTable extends Table<dataSource> {
}
let data = []

render(<NewTable dataSource={data}></NewTable>)

[infeng]

@hjin-me 如果不定义dataSource的类型，可以直接这样

let data: any[] = [];
<Table
dataSource={data}
/>