vi: Welcome - Running the Course translation (#1949)

The translation of *Welcome to Comprehensive Rust:
(1) Running the Course*.

I have followed the [Contributing
Guidelines](https://github.com/google/comprehensive-rust/blob/b38d429e498b58da52f8b23d4c7c52195994e1cc/CONTRIBUTING.md):

- [x] Edited by Poedit
- [x] Formatted by `dprint fmt`
- [x] Submitted to the CLA

Author: khoaxuantu