docs(errors): add additional help for Result/Boxing

add additional help information provided by the rust by example book
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Zerotask 2021-04-22 21:32:29 +02:00
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@ -3,3 +3,9 @@ For this exercise check out the sections:
- [Generics](https://doc.rust-lang.org/book/ch10-01-syntax.html) - [Generics](https://doc.rust-lang.org/book/ch10-01-syntax.html)
of the Rust Book. of the Rust Book.
or alternatively, check out the sections:
- [Result](https://doc.rust-lang.org/rust-by-example/error/result.html)
- [Boxing errors](https://doc.rust-lang.org/rust-by-example/error/multiple_error_types/boxing_errors.html)
of the Rust By Example Book.