Add Rust code example to README, runnable file
-ish example
#58
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Adds an automatically tested Rust code example to the README and an example program runnable with
cargo
.This should help for #8
Includes a snippet from
magic-sys
on how to installlibmagic
.Also bumps the MSRV 1.48 → 1.54, which is a semver "breaking" change.
cargo add
as in the README would actually have a MSRV of 1.62, but that's not required to just use the crate after it has been added as a dependency.