Make use_future take an impl FnMut + 'static, don't include router prelude when we don't need to

examples/openid_connect_demo/src/main.rs

@@ -14,8 +14,6 @@ pub(crate) mod views;
 use oidc::{AuthRequestState, AuthTokenState};
 use router::Route;
 
-use dioxus::router::prelude::*;
-
 use crate::{
     constants::{DIOXUS_FRONT_AUTH_REQUEST, DIOXUS_FRONT_AUTH_TOKEN},
     oidc::ClientState,