CorsMiddleware don’t use the CorsConfigurer

[nguereza-tony]

Is your feature request related to a problem? Please describe.**

In the class CorsMiddleware the overwrite method « handle() » use the default values of cors policies instead of the CorsConfigurer.

Describe the solution you'd like

Change method to :

@OverRide
public void handle(RouteContext context) {
this. allowHeads(context)
. allowMethods(context)
. allowCredentials(context)
. setMaxAge(context);
context.status(204);
}

Describe alternatives you've considered**

A clear and concise description of any alternative solutions or features you've considered.

Additional context

Add any other context or screenshots about the feature request here.

[hellokaton]

Make CORS configuration easy in 2.1.x version, as shown in the following code.

CorsOptions corsOptions = CorsOptions.forAnyOrigin().allowNullOrigin().allowCredentials();
Blade.of()
     .cors(corsOptions)
     .listen().start(Application.class);