chore(doc): 补充 EditableProTable 文档

[Lemonnnnnnnnnnn]

close: #9063

使文档第一个 demo 的 type:multiple 配置能够新增多行

[pkg-pr-new]

@ant-design/pro-card

npm i https://pkg.pr.new/@ant-design/pro-card@9070

@ant-design/pro-components

npm i https://pkg.pr.new/@ant-design/pro-components@9070

@ant-design/pro-field

npm i https://pkg.pr.new/@ant-design/pro-field@9070

@ant-design/pro-descriptions

npm i https://pkg.pr.new/@ant-design/pro-descriptions@9070

@ant-design/pro-form

npm i https://pkg.pr.new/@ant-design/pro-form@9070

@ant-design/pro-layout

npm i https://pkg.pr.new/@ant-design/pro-layout@9070

@ant-design/pro-list

npm i https://pkg.pr.new/@ant-design/pro-list@9070

@ant-design/pro-provider

npm i https://pkg.pr.new/@ant-design/pro-provider@9070

@ant-design/pro-skeleton

npm i https://pkg.pr.new/@ant-design/pro-skeleton@9070

@ant-design/pro-table

npm i https://pkg.pr.new/@ant-design/pro-table@9070

@ant-design/pro-utils

npm i https://pkg.pr.new/@ant-design/pro-utils@9070

commit: fdd4f18