Pass params as arguments to function

[kamil-koziol]

Transform

pub fn echo(_request: &Request, _params: RouteParams) -> Result<Response> {
    let msg = _params.params.get("msg").unwrap();
    // ...
}

to

pub fn echo(_request: &Request, msg: String) -> Result<Response> {
    // ...
}

[kamil-koziol]

https://promethia-27.github.io/dependency_injection_like_bevy_from_scratch/introductions.html