Function rename

rename(oldPath: string, newPath: string): Promise<void>
Renames (moves) a file from one path to another (file-only; directories are not supported and will throw).

Implemented as a copy-then-remove operation. The source file's contents are copied to the new path and the original is deleted.
```
await rename("/app/data/old.json", "/app/data/new.json");
```
Parameters
- oldPath: string
- newPath: string
Returns Promise<void>
- Defined in fs.ts:391