rustlings/exercises/strings/README.md

### Strings

Rust has two string types, a string slice (`&str`) and an owned string (`String`).
We're not going to dictate when you should use which one, but we'll show you how
to identify and create them, as well as use them.

#### Book Sections

- [Strings](https://doc.rust-lang.org/book/ch08-02-strings.html)