Add CORS filter about warp HOT 6 CLOSED

warp::options().and(warp::header("origin")).map(|origin| {
    Ok(Response::builder()
        .status(StatusCode::OK)
        .header("access-control-allow-methods", "HEAD, GET")
        .header("access-control-allow-headers", "authorization")
        .header("access-control-allow-credentials", "true")
        .header("access-control-max-age", "300")
        .header("access-control-allow-origin", origin)
        .header("vary", "origin")
        .body(""))
});

// If "Origin" header is presented
warp::get2().map(|| {
    Ok(Response::builder()
        .status(StatusCode::OK)
        .header("access-control-allow-origin", origin)
        .header("vary", "origin")
        .body("foobar"))
})

// If it isn't
warp::get2().map(|| {
    Ok(Response::builder()
        .status(StatusCode::OK)
        .body("foobar"))
})

Response::builder()
    .header("access-control-allow-origin", origin)
    .header("vary", "origin")

let cors = warp::any()
    .and(warp::header("origin").map(|origin: String| {
        Response::builder()
            .header("access-control-allow-origin", origin)
            .header("vary", "origin")
    }))
    .or(warp::any().map(|| Response::builder()))
    .unify();

warp::get2()
    .and(cors)
    .map(|response: &mut Builder| {
        Ok(response
            .status(StatusCode::OK)
            .body("foobar"))
    })

error[E0597]: borrowed value does not live long enough
  --> src/main.rs:68:13
   |
68 |             Response::builder()
   |             ^^^^^^^^^^^^^^^^^^^ temporary value does not live long enough
...
71 |         }))
   |         - temporary value dropped here while still borrowed
   |
   = note: values in a scope are dropped in the opposite order they are created

let cors = warp::cors()
    .allow_origin("my.foo.local")
    .allow_max_age(60 * 10)
    .allow_methods(&["GET", "POST", "DELETE"]);

// chained on any route:
let route = warp::path("api")
    .map(generate_response)
    .with(&cors);

rror[E0507]: cannot move out of captured outer variable in an `Fn` closure
  --> /Users/manifest/projects/github/warp/src/filters/cors.rs:22:13
   |
18 |     let func = |resp: Response| {
   |                 ---- captured outer variable
...
22 |             resp
   |             ^^^^ cannot move out of captured outer variable in an `Fn` closure

error: aborting due to previous error

For more information about this error, try `rustc --explain E0507`.