Rust implementation is unmaintained

[leocavalcante]

Rust version points to https://github.com/charsyam/hashids_rust, but the project "seams" to be unmaintained for about 4 years: https://github.com/charsyam/hashids_rust/issues/2

An alternative might be: https://github.com/archer884/harsh

[AdriaanPrinsloo]

This is even more of a problem than being unmaintained, referencing it in a project causes dependency errors.

[4kimov]

Closing since the project is moving.

harsh is referenced here: https://sqids.org/rust