[Feature][RuntimeComponent]: Support <Files /> #2154
Description
What problem does this feature solve?
In order to better print file tree information
```sh
docs
├── en
│ ├── _meta.json // navigation bar level
│ └── guides
│ ├── _meta.json // sidebar level
│ ├── introduction.mdx
│ ├── install.mdx
│ └── advanced
│ ├── _meta.json // sidebar level
│ └── plugin-development.md
└── zh
├── _meta.json // navigation bar level
└── guides
├── _meta.json // sidebar level
├── introduction.mdx
├── install.mdx
└── advanced
├── _meta.json // sidebar level
└── plugin-development.md
```"shell script" code block is not for printing file tree, but it is used commonly in prism
This will cause this part of the code is very ugly when users switch to shiki, the best solution to this issue is to provide a component to meet this part of needs
What does the proposed API look like?
https://fumadocs.dev/docs/ui/components/files
import { File, Folder, Files } from 'rspress/theme';
import { File, Folder, Files } from '@rspress/theme-default';